217407120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 320

約数和(自身を含む): 833280000

約数和(自身を除く): 615872880

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, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 139, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 278, 280, 285, 294, 304, 336, 343, 380, 392, 399, 417, 420, 456, 490, 532, 556, 560, 570, 588, 665, 686, 695, 735, 760, 784, 798, 834, 840, 912, 931, 973, 980, 1029, 1064, 1112, 1140, 1176, 1330, 1372, 1390, 1470, 1520, 1596, 1668, 1680, 1715, 1862, 1946, 1960, 1995, 2058, 2085, 2128, 2224, 2280, 2352, 2641, 2660, 2744, 2780, 2793, 2919, 2940, 3192, 3336, 3430, 3724, 3892, 3920, 3990, 4116, 4170, 4560, 4655, 4865, 5145, 5282, 5320, 5488, 5560, 5586, 5838, 5880, 6384, 6517, 6672, 6811, 6860, 7448, 7784, 7923, 7980, 8232, 8340, 9310, 9730, 10290, 10564, 10640, 11120, 11172, 11676, 11760, 13034, 13205, 13622, 13720, 13965, 14595, 14896, 15568, 15846, 15960, 16464, 16680, 18487, 18620, 19460, 19551, 20433, 20580, 21128, 22344, 23352, 26068, 26410, 27244, 27440, 27930, 29190, 31692, 31920, 32585, 33360, 34055, 36974, 37240, 38920, 39102, 39615, 40866, 41160, 42256, 44688, 46704, 47677, 52136, 52820, 54488, 55461, 55860, 58380, 63384, 65170, 68110, 73948, 74480, 77840, 78204, 79230, 81732, 82320, 92435, 95354, 97755, 102165, 104272, 105640, 108976, 110922, 111720, 116760, 126768, 129409, 130340, 136220, 143031, 147896, 156408, 158460, 163464, 184870, 190708, 195510, 204330, 211280, 221844, 223440, 233520, 238385, 258818, 260680, 272440, 277305, 286062, 295792, 312816, 316920, 326928, 369740, 381416, 388227, 391020, 408660, 443688, 476770, 517636, 521360, 544880, 554610, 572124, 633840, 647045, 715155, 739480, 762832, 776454, 782040, 817320, 887376, 905863, 953540, 1035272, 1109220, 1144248, 1294090, 1430310, 1478960, 1552908, 1564080, 1634640, 1811726, 1907080, 1941135, 2070544, 2218440, 2288496, 2588180, 2717589, 2860620, 3105816, 3623452, 3814160, 3882270, 4436880, 4529315, 5176360, 5435178, 5721240, 6211632, 7246904, 7764540, 9058630, 10352720, 10870356, 11442480, 13587945, 14493808, 15529080, 18117260, 21740712, 27175890, 31058160, 36234520, 43481424, 54351780, 72469040, 108703560, 217407120]

約数ペア:

[(1, 217407120), (2, 108703560), (3, 72469040), (4, 54351780), (5, 43481424), (6, 36234520), (7, 31058160), (8, 27175890), (10, 21740712), (12, 18117260), (14, 15529080), (15, 14493808), (16, 13587945), (19, 11442480), (20, 10870356), (21, 10352720), (24, 9058630), (28, 7764540), (30, 7246904), (35, 6211632), (38, 5721240), (40, 5435178), (42, 5176360), (48, 4529315), (49, 4436880), (56, 3882270), (57, 3814160), (60, 3623452), (70, 3105816), (76, 2860620), (80, 2717589), (84, 2588180), (95, 2288496), (98, 2218440), (105, 2070544), (112, 1941135), (114, 1907080), (120, 1811726), (133, 1634640), (139, 1564080), (140, 1552908), (147, 1478960), (152, 1430310), (168, 1294090), (190, 1144248), (196, 1109220), (210, 1035272), (228, 953540), (240, 905863), (245, 887376), (266, 817320), (278, 782040), (280, 776454), (285, 762832), (294, 739480), (304, 715155), (336, 647045), (343, 633840), (380, 572124), (392, 554610), (399, 544880), (417, 521360), (420, 517636), (456, 476770), (490, 443688), (532, 408660), (556, 391020), (560, 388227), (570, 381416), (588, 369740), (665, 326928), (686, 316920), (695, 312816), (735, 295792), (760, 286062), (784, 277305), (798, 272440), (834, 260680), (840, 258818), (912, 238385), (931, 233520), (973, 223440), (980, 221844), (1029, 211280), (1064, 204330), (1112, 195510), (1140, 190708), (1176, 184870), (1330, 163464), (1372, 158460), (1390, 156408), (1470, 147896), (1520, 143031), (1596, 136220), (1668, 130340), (1680, 129409), (1715, 126768), (1862, 116760), (1946, 111720), (1960, 110922), (1995, 108976), (2058, 105640), (2085, 104272), (2128, 102165), (2224, 97755), (2280, 95354), (2352, 92435), (2641, 82320), (2660, 81732), (2744, 79230), (2780, 78204), (2793, 77840), (2919, 74480), (2940, 73948), (3192, 68110), (3336, 65170), (3430, 63384), (3724, 58380), (3892, 55860), (3920, 55461), (3990, 54488), (4116, 52820), (4170, 52136), (4560, 47677), (4655, 46704), (4865, 44688), (5145, 42256), (5282, 41160), (5320, 40866), (5488, 39615), (5560, 39102), (5586, 38920), (5838, 37240), (5880, 36974), (6384, 34055), (6517, 33360), (6672, 32585), (6811, 31920), (6860, 31692), (7448, 29190), (7784, 27930), (7923, 27440), (7980, 27244), (8232, 26410), (8340, 26068), (9310, 23352), (9730, 22344), (10290, 21128), (10564, 20580), (10640, 20433), (11120, 19551), (11172, 19460), (11676, 18620), (11760, 18487), (13034, 16680), (13205, 16464), (13622, 15960), (13720, 15846), (13965, 15568), (14595, 14896)]