90157240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 220799520

約数和(自身を除く): 130642280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 53, 86, 92, 106, 115, 172, 184, 212, 215, 230, 265, 344, 424, 430, 460, 530, 860, 920, 989, 1060, 1219, 1720, 1849, 1978, 2120, 2279, 2438, 3698, 3956, 4558, 4876, 4945, 6095, 7396, 7912, 9116, 9245, 9752, 9890, 11395, 12190, 14792, 18232, 18490, 19780, 22790, 24380, 36980, 39560, 42527, 45580, 48760, 52417, 73960, 85054, 91160, 97997, 104834, 170108, 195994, 209668, 212635, 262085, 340216, 391988, 419336, 425270, 489985, 524170, 783976, 850540, 979970, 1048340, 1701080, 1959940, 2096680, 2253931, 3919880, 4507862, 9015724, 11269655, 18031448, 22539310, 45078620, 90157240]

約数ペア:

[(1, 90157240), (2, 45078620), (4, 22539310), (5, 18031448), (8, 11269655), (10, 9015724), (20, 4507862), (23, 3919880), (40, 2253931), (43, 2096680), (46, 1959940), (53, 1701080), (86, 1048340), (92, 979970), (106, 850540), (115, 783976), (172, 524170), (184, 489985), (212, 425270), (215, 419336), (230, 391988), (265, 340216), (344, 262085), (424, 212635), (430, 209668), (460, 195994), (530, 170108), (860, 104834), (920, 97997), (989, 91160), (1060, 85054), (1219, 73960), (1720, 52417), (1849, 48760), (1978, 45580), (2120, 42527), (2279, 39560), (2438, 36980), (3698, 24380), (3956, 22790), (4558, 19780), (4876, 18490), (4945, 18232), (6095, 14792), (7396, 12190), (7912, 11395), (9116, 9890), (9245, 9752)]