281639820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{60961}}^1$

素因数の和:60991

約数の個数: 96

約数和(自身を含む): 983195136

約数和(自身を除く): 701555316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 60961, 121922, 182883, 243844, 304805, 365766, 426727, 609610, 670571, 731532, 853454, 914415, 1219220, 1280181, 1341142, 1706908, 1828830, 2011713, 2133635, 2560362, 2682284, 3352855, 3657660, 4023426, 4267270, 4693997, 5120724, 6400905, 6705710, 8046852, 8534540, 9387994, 10058565, 12801810, 13411420, 14081991, 18775988, 20117130, 23469985, 25603620, 28163982, 40234260, 46939970, 56327964, 70409955, 93879940, 140819910, 281639820]

約数ペア:

[(1, 281639820), (2, 140819910), (3, 93879940), (4, 70409955), (5, 56327964), (6, 46939970), (7, 40234260), (10, 28163982), (11, 25603620), (12, 23469985), (14, 20117130), (15, 18775988), (20, 14081991), (21, 13411420), (22, 12801810), (28, 10058565), (30, 9387994), (33, 8534540), (35, 8046852), (42, 6705710), (44, 6400905), (55, 5120724), (60, 4693997), (66, 4267270), (70, 4023426), (77, 3657660), (84, 3352855), (105, 2682284), (110, 2560362), (132, 2133635), (140, 2011713), (154, 1828830), (165, 1706908), (210, 1341142), (220, 1280181), (231, 1219220), (308, 914415), (330, 853454), (385, 731532), (420, 670571), (462, 609610), (660, 426727), (770, 365766), (924, 304805), (1155, 243844), (1540, 182883), (2310, 121922), (4620, 60961)]