399402480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16477}}^1$

素因数の和:16594

約数の個数: 80

約数和(自身を含む): 1250482464

約数和(自身を除く): 851079984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 6060, 8080, 12120, 16477, 24240, 32954, 49431, 65908, 82385, 98862, 131816, 164770, 197724, 247155, 263632, 329540, 395448, 494310, 659080, 790896, 988620, 1318160, 1664177, 1977240, 3328354, 3954480, 4992531, 6656708, 8320885, 9985062, 13313416, 16641770, 19970124, 24962655, 26626832, 33283540, 39940248, 49925310, 66567080, 79880496, 99850620, 133134160, 199701240, 399402480]

約数ペア:

[(1, 399402480), (2, 199701240), (3, 133134160), (4, 99850620), (5, 79880496), (6, 66567080), (8, 49925310), (10, 39940248), (12, 33283540), (15, 26626832), (16, 24962655), (20, 19970124), (24, 16641770), (30, 13313416), (40, 9985062), (48, 8320885), (60, 6656708), (80, 4992531), (101, 3954480), (120, 3328354), (202, 1977240), (240, 1664177), (303, 1318160), (404, 988620), (505, 790896), (606, 659080), (808, 494310), (1010, 395448), (1212, 329540), (1515, 263632), (1616, 247155), (2020, 197724), (2424, 164770), (3030, 131816), (4040, 98862), (4848, 82385), (6060, 65908), (8080, 49431), (12120, 32954), (16477, 24240)]