68991720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3571}}^1$

素因数の和:3615

約数の個数: 128

約数和(自身を含む): 246896640

約数和(自身を除く): 177904920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3571, 3864, 4830, 6440, 7142, 9660, 10713, 14284, 17855, 19320, 21426, 24997, 28568, 35710, 42852, 49994, 53565, 71420, 74991, 82133, 85704, 99988, 107130, 124985, 142840, 149982, 164266, 199976, 214260, 246399, 249970, 299964, 328532, 374955, 410665, 428520, 492798, 499940, 574931, 599928, 657064, 749910, 821330, 985596, 999880, 1149862, 1231995, 1499820, 1642660, 1724793, 1971192, 2299724, 2463990, 2874655, 2999640, 3285320, 3449586, 4599448, 4927980, 5749310, 6899172, 8623965, 9855960, 11498620, 13798344, 17247930, 22997240, 34495860, 68991720]

約数ペア:

[(1, 68991720), (2, 34495860), (3, 22997240), (4, 17247930), (5, 13798344), (6, 11498620), (7, 9855960), (8, 8623965), (10, 6899172), (12, 5749310), (14, 4927980), (15, 4599448), (20, 3449586), (21, 3285320), (23, 2999640), (24, 2874655), (28, 2463990), (30, 2299724), (35, 1971192), (40, 1724793), (42, 1642660), (46, 1499820), (56, 1231995), (60, 1149862), (69, 999880), (70, 985596), (84, 821330), (92, 749910), (105, 657064), (115, 599928), (120, 574931), (138, 499940), (140, 492798), (161, 428520), (168, 410665), (184, 374955), (210, 328532), (230, 299964), (276, 249970), (280, 246399), (322, 214260), (345, 199976), (420, 164266), (460, 149982), (483, 142840), (552, 124985), (644, 107130), (690, 99988), (805, 85704), (840, 82133), (920, 74991), (966, 71420), (1288, 53565), (1380, 49994), (1610, 42852), (1932, 35710), (2415, 28568), (2760, 24997), (3220, 21426), (3571, 19320), (3864, 17855), (4830, 14284), (6440, 10713), (7142, 9660)]