78868020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 282433536

約数和(自身を除く): 203565516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 43, 44, 55, 60, 66, 70, 77, 84, 86, 105, 110, 129, 132, 140, 154, 165, 172, 210, 215, 220, 231, 258, 301, 308, 330, 385, 397, 420, 430, 462, 473, 516, 602, 645, 660, 770, 794, 860, 903, 924, 946, 1155, 1191, 1204, 1290, 1419, 1505, 1540, 1588, 1806, 1892, 1985, 2310, 2365, 2382, 2580, 2779, 2838, 3010, 3311, 3612, 3970, 4367, 4515, 4620, 4730, 4764, 5558, 5676, 5955, 6020, 6622, 7095, 7940, 8337, 8734, 9030, 9460, 9933, 11116, 11910, 13101, 13244, 13895, 14190, 16555, 16674, 17071, 17468, 18060, 19866, 21835, 23820, 26202, 27790, 28380, 30569, 33110, 33348, 34142, 39732, 41685, 43670, 49665, 51213, 52404, 55580, 61138, 65505, 66220, 68284, 83370, 85355, 87340, 91707, 99330, 102426, 119497, 122276, 131010, 152845, 166740, 170710, 183414, 187781, 198660, 204852, 238994, 256065, 262020, 305690, 341420, 358491, 366828, 375562, 458535, 477988, 512130, 563343, 597485, 611380, 716982, 751124, 917070, 938905, 1024260, 1126686, 1194970, 1314467, 1433964, 1792455, 1834140, 1877810, 2253372, 2389940, 2628934, 2816715, 3584910, 3755620, 3943401, 5257868, 5633430, 6572335, 7169820, 7886802, 11266860, 13144670, 15773604, 19717005, 26289340, 39434010, 78868020]

約数ペア:

[(1, 78868020), (2, 39434010), (3, 26289340), (4, 19717005), (5, 15773604), (6, 13144670), (7, 11266860), (10, 7886802), (11, 7169820), (12, 6572335), (14, 5633430), (15, 5257868), (20, 3943401), (21, 3755620), (22, 3584910), (28, 2816715), (30, 2628934), (33, 2389940), (35, 2253372), (42, 1877810), (43, 1834140), (44, 1792455), (55, 1433964), (60, 1314467), (66, 1194970), (70, 1126686), (77, 1024260), (84, 938905), (86, 917070), (105, 751124), (110, 716982), (129, 611380), (132, 597485), (140, 563343), (154, 512130), (165, 477988), (172, 458535), (210, 375562), (215, 366828), (220, 358491), (231, 341420), (258, 305690), (301, 262020), (308, 256065), (330, 238994), (385, 204852), (397, 198660), (420, 187781), (430, 183414), (462, 170710), (473, 166740), (516, 152845), (602, 131010), (645, 122276), (660, 119497), (770, 102426), (794, 99330), (860, 91707), (903, 87340), (924, 85355), (946, 83370), (1155, 68284), (1191, 66220), (1204, 65505), (1290, 61138), (1419, 55580), (1505, 52404), (1540, 51213), (1588, 49665), (1806, 43670), (1892, 41685), (1985, 39732), (2310, 34142), (2365, 33348), (2382, 33110), (2580, 30569), (2779, 28380), (2838, 27790), (3010, 26202), (3311, 23820), (3612, 21835), (3970, 19866), (4367, 18060), (4515, 17468), (4620, 17071), (4730, 16674), (4764, 16555), (5558, 14190), (5676, 13895), (5955, 13244), (6020, 13101), (6622, 11910), (7095, 11116), (7940, 9933), (8337, 9460), (8734, 9030)]