78776880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3607}}^1$

素因数の和:3643

約数の個数: 160

約数和(自身を含む): 300647424

約数和(自身を除く): 221870544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3607, 3640, 4368, 5460, 7214, 7280, 10821, 10920, 14428, 18035, 21642, 21840, 25249, 28856, 36070, 43284, 46891, 50498, 54105, 57712, 72140, 75747, 86568, 93782, 100996, 108210, 126245, 140673, 144280, 151494, 173136, 187564, 201992, 216420, 234455, 252490, 281346, 288560, 302988, 328237, 375128, 378735, 403984, 432840, 468910, 504980, 562692, 605976, 656474, 703365, 750256, 757470, 865680, 937820, 984711, 1009960, 1125384, 1211952, 1312948, 1406730, 1514940, 1641185, 1875640, 1969422, 2019920, 2250768, 2625896, 2813460, 3029880, 3282370, 3751280, 3938844, 4923555, 5251792, 5626920, 6059760, 6564740, 7877688, 9847110, 11253840, 13129480, 15755376, 19694220, 26258960, 39388440, 78776880]

約数ペア:

[(1, 78776880), (2, 39388440), (3, 26258960), (4, 19694220), (5, 15755376), (6, 13129480), (7, 11253840), (8, 9847110), (10, 7877688), (12, 6564740), (13, 6059760), (14, 5626920), (15, 5251792), (16, 4923555), (20, 3938844), (21, 3751280), (24, 3282370), (26, 3029880), (28, 2813460), (30, 2625896), (35, 2250768), (39, 2019920), (40, 1969422), (42, 1875640), (48, 1641185), (52, 1514940), (56, 1406730), (60, 1312948), (65, 1211952), (70, 1125384), (78, 1009960), (80, 984711), (84, 937820), (91, 865680), (104, 757470), (105, 750256), (112, 703365), (120, 656474), (130, 605976), (140, 562692), (156, 504980), (168, 468910), (182, 432840), (195, 403984), (208, 378735), (210, 375128), (240, 328237), (260, 302988), (273, 288560), (280, 281346), (312, 252490), (336, 234455), (364, 216420), (390, 201992), (420, 187564), (455, 173136), (520, 151494), (546, 144280), (560, 140673), (624, 126245), (728, 108210), (780, 100996), (840, 93782), (910, 86568), (1040, 75747), (1092, 72140), (1365, 57712), (1456, 54105), (1560, 50498), (1680, 46891), (1820, 43284), (2184, 36070), (2730, 28856), (3120, 25249), (3607, 21840), (3640, 21642), (4368, 18035), (5460, 14428), (7214, 10920), (7280, 10821)]