85490560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 212700600

約数和(自身を除く): 127210040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 139, 155, 160, 248, 278, 310, 320, 496, 556, 620, 640, 695, 961, 992, 1112, 1240, 1390, 1922, 1984, 2224, 2480, 2780, 3844, 3968, 4309, 4448, 4805, 4960, 5560, 7688, 8618, 8896, 9610, 9920, 11120, 15376, 17236, 17792, 19220, 19840, 21545, 22240, 30752, 34472, 38440, 43090, 44480, 61504, 68944, 76880, 86180, 88960, 123008, 133579, 137888, 153760, 172360, 267158, 275776, 307520, 344720, 534316, 551552, 615040, 667895, 689440, 1068632, 1335790, 1378880, 2137264, 2671580, 2757760, 4274528, 5343160, 8549056, 10686320, 17098112, 21372640, 42745280, 85490560]

約数ペア:

[(1, 85490560), (2, 42745280), (4, 21372640), (5, 17098112), (8, 10686320), (10, 8549056), (16, 5343160), (20, 4274528), (31, 2757760), (32, 2671580), (40, 2137264), (62, 1378880), (64, 1335790), (80, 1068632), (124, 689440), (128, 667895), (139, 615040), (155, 551552), (160, 534316), (248, 344720), (278, 307520), (310, 275776), (320, 267158), (496, 172360), (556, 153760), (620, 137888), (640, 133579), (695, 123008), (961, 88960), (992, 86180), (1112, 76880), (1240, 68944), (1390, 61504), (1922, 44480), (1984, 43090), (2224, 38440), (2480, 34472), (2780, 30752), (3844, 22240), (3968, 21545), (4309, 19840), (4448, 19220), (4805, 17792), (4960, 17236), (5560, 15376), (7688, 11120), (8618, 9920), (8896, 9610)]