68764920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 239293440

約数和(自身を除く): 170528520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1153, 1420, 1491, 1704, 1988, 2130, 2306, 2485, 2840, 2982, 3459, 3976, 4260, 4612, 4970, 5765, 5964, 6918, 7455, 8071, 8520, 9224, 9940, 11530, 11928, 13836, 14910, 16142, 17295, 19880, 23060, 24213, 27672, 29820, 32284, 34590, 40355, 46120, 48426, 59640, 64568, 69180, 80710, 81863, 96852, 121065, 138360, 161420, 163726, 193704, 242130, 245589, 322840, 327452, 409315, 484260, 491178, 573041, 654904, 818630, 968520, 982356, 1146082, 1227945, 1637260, 1719123, 1964712, 2292164, 2455890, 2865205, 3274520, 3438246, 4584328, 4911780, 5730410, 6876492, 8595615, 9823560, 11460820, 13752984, 17191230, 22921640, 34382460, 68764920]

約数ペア:

[(1, 68764920), (2, 34382460), (3, 22921640), (4, 17191230), (5, 13752984), (6, 11460820), (7, 9823560), (8, 8595615), (10, 6876492), (12, 5730410), (14, 4911780), (15, 4584328), (20, 3438246), (21, 3274520), (24, 2865205), (28, 2455890), (30, 2292164), (35, 1964712), (40, 1719123), (42, 1637260), (56, 1227945), (60, 1146082), (70, 982356), (71, 968520), (84, 818630), (105, 654904), (120, 573041), (140, 491178), (142, 484260), (168, 409315), (210, 327452), (213, 322840), (280, 245589), (284, 242130), (355, 193704), (420, 163726), (426, 161420), (497, 138360), (568, 121065), (710, 96852), (840, 81863), (852, 80710), (994, 69180), (1065, 64568), (1153, 59640), (1420, 48426), (1491, 46120), (1704, 40355), (1988, 34590), (2130, 32284), (2306, 29820), (2485, 27672), (2840, 24213), (2982, 23060), (3459, 19880), (3976, 17295), (4260, 16142), (4612, 14910), (4970, 13836), (5765, 11928), (5964, 11530), (6918, 9940), (7455, 9224), (8071, 8520)]