647944080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 320

約数和(自身を含む): 2468413440

約数和(自身を除く): 1820469360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 53, 56, 57, 60, 70, 76, 80, 84, 95, 105, 106, 112, 114, 120, 133, 140, 152, 159, 168, 190, 210, 212, 228, 240, 265, 266, 280, 285, 304, 318, 336, 371, 380, 383, 399, 420, 424, 456, 530, 532, 560, 570, 636, 665, 742, 760, 766, 795, 798, 840, 848, 912, 1007, 1060, 1064, 1113, 1140, 1149, 1272, 1330, 1484, 1520, 1532, 1590, 1596, 1680, 1855, 1915, 1995, 2014, 2120, 2128, 2226, 2280, 2298, 2544, 2660, 2681, 2968, 3021, 3064, 3180, 3192, 3710, 3830, 3990, 4028, 4240, 4452, 4560, 4596, 5035, 5320, 5362, 5565, 5745, 5936, 6042, 6128, 6360, 6384, 7049, 7277, 7420, 7660, 7980, 8043, 8056, 8904, 9192, 10070, 10640, 10724, 11130, 11490, 12084, 12720, 13405, 14098, 14554, 14840, 15105, 15320, 15960, 16086, 16112, 17808, 18384, 20140, 20299, 21147, 21448, 21831, 22260, 22980, 24168, 26810, 28196, 29108, 29680, 30210, 30640, 31920, 32172, 35245, 36385, 40215, 40280, 40598, 42294, 42896, 43662, 44520, 45960, 48336, 50939, 53620, 56392, 58216, 60420, 60897, 64344, 70490, 72770, 80430, 80560, 81196, 84588, 87324, 89040, 91920, 101495, 101878, 105735, 107240, 109155, 112784, 116432, 120840, 121794, 128688, 140980, 142093, 145540, 152817, 160860, 162392, 169176, 174648, 202990, 203756, 211470, 214480, 218310, 241680, 243588, 254695, 281960, 284186, 291080, 304485, 305634, 321720, 324784, 338352, 349296, 385681, 405980, 407512, 422940, 426279, 436620, 487176, 509390, 563920, 568372, 582160, 608970, 611268, 643440, 710465, 764085, 771362, 811960, 815024, 845880, 852558, 873240, 974352, 1018780, 1136744, 1157043, 1217940, 1222536, 1420930, 1528170, 1542724, 1623920, 1691760, 1705116, 1746480, 1928405, 2037560, 2131395, 2273488, 2314086, 2435880, 2445072, 2699767, 2841860, 3056340, 3085448, 3410232, 3856810, 4075120, 4262790, 4628172, 4871760, 5399534, 5683720, 5785215, 6112680, 6170896, 6820464, 7713620, 8099301, 8525580, 9256344, 10799068, 11367440, 11570430, 12225360, 13498835, 15427240, 16198602, 17051160, 18512688, 21598136, 23140860, 26997670, 30854480, 32397204, 34102320, 40496505, 43196272, 46281720, 53995340, 64794408, 80993010, 92563440, 107990680, 129588816, 161986020, 215981360, 323972040, 647944080]

約数ペア:

[(1, 647944080), (2, 323972040), (3, 215981360), (4, 161986020), (5, 129588816), (6, 107990680), (7, 92563440), (8, 80993010), (10, 64794408), (12, 53995340), (14, 46281720), (15, 43196272), (16, 40496505), (19, 34102320), (20, 32397204), (21, 30854480), (24, 26997670), (28, 23140860), (30, 21598136), (35, 18512688), (38, 17051160), (40, 16198602), (42, 15427240), (48, 13498835), (53, 12225360), (56, 11570430), (57, 11367440), (60, 10799068), (70, 9256344), (76, 8525580), (80, 8099301), (84, 7713620), (95, 6820464), (105, 6170896), (106, 6112680), (112, 5785215), (114, 5683720), (120, 5399534), (133, 4871760), (140, 4628172), (152, 4262790), (159, 4075120), (168, 3856810), (190, 3410232), (210, 3085448), (212, 3056340), (228, 2841860), (240, 2699767), (265, 2445072), (266, 2435880), (280, 2314086), (285, 2273488), (304, 2131395), (318, 2037560), (336, 1928405), (371, 1746480), (380, 1705116), (383, 1691760), (399, 1623920), (420, 1542724), (424, 1528170), (456, 1420930), (530, 1222536), (532, 1217940), (560, 1157043), (570, 1136744), (636, 1018780), (665, 974352), (742, 873240), (760, 852558), (766, 845880), (795, 815024), (798, 811960), (840, 771362), (848, 764085), (912, 710465), (1007, 643440), (1060, 611268), (1064, 608970), (1113, 582160), (1140, 568372), (1149, 563920), (1272, 509390), (1330, 487176), (1484, 436620), (1520, 426279), (1532, 422940), (1590, 407512), (1596, 405980), (1680, 385681), (1855, 349296), (1915, 338352), (1995, 324784), (2014, 321720), (2120, 305634), (2128, 304485), (2226, 291080), (2280, 284186), (2298, 281960), (2544, 254695), (2660, 243588), (2681, 241680), (2968, 218310), (3021, 214480), (3064, 211470), (3180, 203756), (3192, 202990), (3710, 174648), (3830, 169176), (3990, 162392), (4028, 160860), (4240, 152817), (4452, 145540), (4560, 142093), (4596, 140980), (5035, 128688), (5320, 121794), (5362, 120840), (5565, 116432), (5745, 112784), (5936, 109155), (6042, 107240), (6128, 105735), (6360, 101878), (6384, 101495), (7049, 91920), (7277, 89040), (7420, 87324), (7660, 84588), (7980, 81196), (8043, 80560), (8056, 80430), (8904, 72770), (9192, 70490), (10070, 64344), (10640, 60897), (10724, 60420), (11130, 58216), (11490, 56392), (12084, 53620), (12720, 50939), (13405, 48336), (14098, 45960), (14554, 44520), (14840, 43662), (15105, 42896), (15320, 42294), (15960, 40598), (16086, 40280), (16112, 40215), (17808, 36385), (18384, 35245), (20140, 32172), (20299, 31920), (21147, 30640), (21448, 30210), (21831, 29680), (22260, 29108), (22980, 28196), (24168, 26810)]