647581560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 256

約数和(自身を含む): 2183500800

約数和(自身を除く): 1535919240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 53, 57, 60, 69, 76, 92, 95, 106, 114, 115, 120, 138, 152, 159, 184, 190, 212, 228, 230, 233, 265, 276, 285, 318, 345, 380, 424, 437, 456, 460, 466, 530, 552, 570, 636, 690, 699, 760, 795, 874, 920, 932, 1007, 1060, 1140, 1165, 1219, 1272, 1311, 1380, 1398, 1590, 1748, 1864, 2014, 2120, 2185, 2280, 2330, 2438, 2622, 2760, 2796, 3021, 3180, 3495, 3496, 3657, 4028, 4370, 4427, 4660, 4876, 5035, 5244, 5359, 5592, 6042, 6095, 6360, 6555, 6990, 7314, 8056, 8740, 8854, 9320, 9752, 10070, 10488, 10718, 12084, 12190, 12349, 13110, 13281, 13980, 14628, 15105, 16077, 17480, 17708, 18285, 20140, 21436, 22135, 23161, 24168, 24380, 24698, 26220, 26562, 26795, 27960, 29256, 30210, 32154, 35416, 36570, 37047, 40280, 42872, 44270, 46322, 48760, 49396, 52440, 53124, 53590, 60420, 61745, 64308, 66405, 69483, 73140, 74094, 80385, 88540, 92644, 98792, 101821, 106248, 107180, 115805, 120840, 123490, 128616, 132810, 138966, 146280, 148188, 160770, 177080, 185235, 185288, 203642, 214360, 231610, 234631, 246980, 265620, 277932, 284027, 296376, 305463, 321540, 347415, 370470, 407284, 463220, 469262, 493960, 509105, 531240, 555864, 568054, 610926, 643080, 694830, 703893, 740940, 814568, 852081, 926440, 938524, 1018210, 1136108, 1173155, 1221852, 1389660, 1407786, 1420135, 1481880, 1527315, 1704162, 1877048, 2036420, 2272216, 2346310, 2443704, 2779320, 2815572, 2840270, 3054630, 3408324, 3519465, 4072840, 4260405, 4692620, 5396513, 5631144, 5680540, 6109260, 6816648, 7038930, 8520810, 9385240, 10793026, 11361080, 12218520, 14077860, 16189539, 17041620, 21586052, 26982565, 28155720, 32379078, 34083240, 43172104, 53965130, 64758156, 80947695, 107930260, 129516312, 161895390, 215860520, 323790780, 647581560]

約数ペア:

[(1, 647581560), (2, 323790780), (3, 215860520), (4, 161895390), (5, 129516312), (6, 107930260), (8, 80947695), (10, 64758156), (12, 53965130), (15, 43172104), (19, 34083240), (20, 32379078), (23, 28155720), (24, 26982565), (30, 21586052), (38, 17041620), (40, 16189539), (46, 14077860), (53, 12218520), (57, 11361080), (60, 10793026), (69, 9385240), (76, 8520810), (92, 7038930), (95, 6816648), (106, 6109260), (114, 5680540), (115, 5631144), (120, 5396513), (138, 4692620), (152, 4260405), (159, 4072840), (184, 3519465), (190, 3408324), (212, 3054630), (228, 2840270), (230, 2815572), (233, 2779320), (265, 2443704), (276, 2346310), (285, 2272216), (318, 2036420), (345, 1877048), (380, 1704162), (424, 1527315), (437, 1481880), (456, 1420135), (460, 1407786), (466, 1389660), (530, 1221852), (552, 1173155), (570, 1136108), (636, 1018210), (690, 938524), (699, 926440), (760, 852081), (795, 814568), (874, 740940), (920, 703893), (932, 694830), (1007, 643080), (1060, 610926), (1140, 568054), (1165, 555864), (1219, 531240), (1272, 509105), (1311, 493960), (1380, 469262), (1398, 463220), (1590, 407284), (1748, 370470), (1864, 347415), (2014, 321540), (2120, 305463), (2185, 296376), (2280, 284027), (2330, 277932), (2438, 265620), (2622, 246980), (2760, 234631), (2796, 231610), (3021, 214360), (3180, 203642), (3495, 185288), (3496, 185235), (3657, 177080), (4028, 160770), (4370, 148188), (4427, 146280), (4660, 138966), (4876, 132810), (5035, 128616), (5244, 123490), (5359, 120840), (5592, 115805), (6042, 107180), (6095, 106248), (6360, 101821), (6555, 98792), (6990, 92644), (7314, 88540), (8056, 80385), (8740, 74094), (8854, 73140), (9320, 69483), (9752, 66405), (10070, 64308), (10488, 61745), (10718, 60420), (12084, 53590), (12190, 53124), (12349, 52440), (13110, 49396), (13281, 48760), (13980, 46322), (14628, 44270), (15105, 42872), (16077, 40280), (17480, 37047), (17708, 36570), (18285, 35416), (20140, 32154), (21436, 30210), (22135, 29256), (23161, 27960), (24168, 26795), (24380, 26562), (24698, 26220)]