78000120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19697}}^1$

素因数の和:19725

約数の個数: 96

約数和(自身を含む): 276559920

約数和(自身を除く): 198559800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 19697, 39394, 59091, 78788, 98485, 118182, 157576, 177273, 196970, 216667, 236364, 295455, 354546, 393940, 433334, 472728, 590910, 650001, 709092, 787880, 866668, 886365, 1083335, 1181820, 1300002, 1418184, 1733336, 1772730, 1950003, 2166670, 2363640, 2600004, 3250005, 3545460, 3900006, 4333340, 5200008, 6500010, 7090920, 7800012, 8666680, 9750015, 13000020, 15600024, 19500030, 26000040, 39000060, 78000120]

約数ペア:

[(1, 78000120), (2, 39000060), (3, 26000040), (4, 19500030), (5, 15600024), (6, 13000020), (8, 9750015), (9, 8666680), (10, 7800012), (11, 7090920), (12, 6500010), (15, 5200008), (18, 4333340), (20, 3900006), (22, 3545460), (24, 3250005), (30, 2600004), (33, 2363640), (36, 2166670), (40, 1950003), (44, 1772730), (45, 1733336), (55, 1418184), (60, 1300002), (66, 1181820), (72, 1083335), (88, 886365), (90, 866668), (99, 787880), (110, 709092), (120, 650001), (132, 590910), (165, 472728), (180, 433334), (198, 393940), (220, 354546), (264, 295455), (330, 236364), (360, 216667), (396, 196970), (440, 177273), (495, 157576), (660, 118182), (792, 98485), (990, 78788), (1320, 59091), (1980, 39394), (3960, 19697)]