170981120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 426235320

約数和(自身を除く): 255254200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 139, 155, 160, 248, 256, 278, 310, 320, 496, 556, 620, 640, 695, 961, 992, 1112, 1240, 1280, 1390, 1922, 1984, 2224, 2480, 2780, 3844, 3968, 4309, 4448, 4805, 4960, 5560, 7688, 7936, 8618, 8896, 9610, 9920, 11120, 15376, 17236, 17792, 19220, 19840, 21545, 22240, 30752, 34472, 35584, 38440, 39680, 43090, 44480, 61504, 68944, 76880, 86180, 88960, 123008, 133579, 137888, 153760, 172360, 177920, 246016, 267158, 275776, 307520, 344720, 534316, 551552, 615040, 667895, 689440, 1068632, 1103104, 1230080, 1335790, 1378880, 2137264, 2671580, 2757760, 4274528, 5343160, 5515520, 8549056, 10686320, 17098112, 21372640, 34196224, 42745280, 85490560, 170981120]

約数ペア:

[(1, 170981120), (2, 85490560), (4, 42745280), (5, 34196224), (8, 21372640), (10, 17098112), (16, 10686320), (20, 8549056), (31, 5515520), (32, 5343160), (40, 4274528), (62, 2757760), (64, 2671580), (80, 2137264), (124, 1378880), (128, 1335790), (139, 1230080), (155, 1103104), (160, 1068632), (248, 689440), (256, 667895), (278, 615040), (310, 551552), (320, 534316), (496, 344720), (556, 307520), (620, 275776), (640, 267158), (695, 246016), (961, 177920), (992, 172360), (1112, 153760), (1240, 137888), (1280, 133579), (1390, 123008), (1922, 88960), (1984, 86180), (2224, 76880), (2480, 68944), (2780, 61504), (3844, 44480), (3968, 43090), (4309, 39680), (4448, 38440), (4805, 35584), (4960, 34472), (5560, 30752), (7688, 22240), (7936, 21545), (8618, 19840), (8896, 19220), (9610, 17792), (9920, 17236), (11120, 15376)]