78975040

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 118535360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 59, 64, 80, 89, 94, 118, 160, 178, 188, 235, 236, 295, 320, 356, 376, 445, 470, 472, 590, 712, 752, 890, 940, 944, 1180, 1424, 1504, 1780, 1880, 1888, 2360, 2773, 2848, 3008, 3560, 3760, 3776, 4183, 4720, 5251, 5546, 5696, 7120, 7520, 8366, 9440, 10502, 11092, 13865, 14240, 15040, 16732, 18880, 20915, 21004, 22184, 26255, 27730, 28480, 33464, 41830, 42008, 44368, 52510, 55460, 66928, 83660, 84016, 88736, 105020, 110920, 133856, 167320, 168032, 177472, 210040, 221840, 246797, 267712, 334640, 336064, 420080, 443680, 493594, 669280, 840160, 887360, 987188, 1233985, 1338560, 1680320, 1974376, 2467970, 3948752, 4935940, 7897504, 9871880, 15795008, 19743760, 39487520, 78975040]

約数ペア:

[(1, 78975040), (2, 39487520), (4, 19743760), (5, 15795008), (8, 9871880), (10, 7897504), (16, 4935940), (20, 3948752), (32, 2467970), (40, 1974376), (47, 1680320), (59, 1338560), (64, 1233985), (80, 987188), (89, 887360), (94, 840160), (118, 669280), (160, 493594), (178, 443680), (188, 420080), (235, 336064), (236, 334640), (295, 267712), (320, 246797), (356, 221840), (376, 210040), (445, 177472), (470, 168032), (472, 167320), (590, 133856), (712, 110920), (752, 105020), (890, 88736), (940, 84016), (944, 83660), (1180, 66928), (1424, 55460), (1504, 52510), (1780, 44368), (1880, 42008), (1888, 41830), (2360, 33464), (2773, 28480), (2848, 27730), (3008, 26255), (3560, 22184), (3760, 21004), (3776, 20915), (4183, 18880), (4720, 16732), (5251, 15040), (5546, 14240), (5696, 13865), (7120, 11092), (7520, 10502), (8366, 9440)]