641468880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3607}}^1$

素因数の和:3658

約数の個数: 240

約数和(自身を含む): 2442760320

約数和(自身を除く): 1801291440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3607, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7214, 7410, 8892, 9360, 9880, 10821, 11115, 11856, 13680, 14428, 14820, 17784, 18035, 19760, 21642, 22230, 28856, 29640, 32463, 35568, 36070, 43284, 44460, 46891, 54105, 57712, 59280, 64926, 68533, 72140, 86568, 88920, 93782, 108210, 129852, 137066, 140673, 144280, 162315, 173136, 177840, 187564, 205599, 216420, 234455, 259704, 274132, 281346, 288560, 324630, 342665, 375128, 411198, 422019, 432840, 468910, 519408, 548264, 562692, 616797, 649260, 685330, 703365, 750256, 822396, 844038, 865680, 890929, 937820, 1027995, 1096528, 1125384, 1233594, 1298520, 1370660, 1406730, 1644792, 1688076, 1781858, 1875640, 2055990, 2110095, 2250768, 2467188, 2597040, 2672787, 2741320, 2813460, 3083985, 3289584, 3376152, 3563716, 3751280, 4111980, 4220190, 4454645, 4934376, 5345574, 5482640, 5626920, 6167970, 6752304, 7127432, 8018361, 8223960, 8440380, 8909290, 9868752, 10691148, 11253840, 12335940, 13363935, 14254864, 16036722, 16447920, 16880760, 17818580, 21382296, 24671880, 26727870, 32073444, 33761520, 35637160, 40091805, 42764592, 49343760, 53455740, 64146888, 71274320, 80183610, 106911480, 128293776, 160367220, 213822960, 320734440, 641468880]

約数ペア:

[(1, 641468880), (2, 320734440), (3, 213822960), (4, 160367220), (5, 128293776), (6, 106911480), (8, 80183610), (9, 71274320), (10, 64146888), (12, 53455740), (13, 49343760), (15, 42764592), (16, 40091805), (18, 35637160), (19, 33761520), (20, 32073444), (24, 26727870), (26, 24671880), (30, 21382296), (36, 17818580), (38, 16880760), (39, 16447920), (40, 16036722), (45, 14254864), (48, 13363935), (52, 12335940), (57, 11253840), (60, 10691148), (65, 9868752), (72, 8909290), (76, 8440380), (78, 8223960), (80, 8018361), (90, 7127432), (95, 6752304), (104, 6167970), (114, 5626920), (117, 5482640), (120, 5345574), (130, 4934376), (144, 4454645), (152, 4220190), (156, 4111980), (171, 3751280), (180, 3563716), (190, 3376152), (195, 3289584), (208, 3083985), (228, 2813460), (234, 2741320), (240, 2672787), (247, 2597040), (260, 2467188), (285, 2250768), (304, 2110095), (312, 2055990), (342, 1875640), (360, 1781858), (380, 1688076), (390, 1644792), (456, 1406730), (468, 1370660), (494, 1298520), (520, 1233594), (570, 1125384), (585, 1096528), (624, 1027995), (684, 937820), (720, 890929), (741, 865680), (760, 844038), (780, 822396), (855, 750256), (912, 703365), (936, 685330), (988, 649260), (1040, 616797), (1140, 562692), (1170, 548264), (1235, 519408), (1368, 468910), (1482, 432840), (1520, 422019), (1560, 411198), (1710, 375128), (1872, 342665), (1976, 324630), (2223, 288560), (2280, 281346), (2340, 274132), (2470, 259704), (2736, 234455), (2964, 216420), (3120, 205599), (3420, 187564), (3607, 177840), (3705, 173136), (3952, 162315), (4446, 144280), (4560, 140673), (4680, 137066), (4940, 129852), (5928, 108210), (6840, 93782), (7214, 88920), (7410, 86568), (8892, 72140), (9360, 68533), (9880, 64926), (10821, 59280), (11115, 57712), (11856, 54105), (13680, 46891), (14428, 44460), (14820, 43284), (17784, 36070), (18035, 35568), (19760, 32463), (21642, 29640), (22230, 28856)]