132590720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 337236480

約数和(自身を除く): 204645760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 163, 164, 205, 248, 310, 320, 326, 328, 410, 496, 620, 640, 652, 656, 815, 820, 992, 1240, 1271, 1304, 1312, 1630, 1640, 1984, 2480, 2542, 2608, 2624, 3260, 3280, 3968, 4960, 5053, 5084, 5216, 5248, 6355, 6520, 6560, 6683, 9920, 10106, 10168, 10432, 12710, 13040, 13120, 13366, 19840, 20212, 20336, 20864, 25265, 25420, 26080, 26240, 26732, 33415, 40424, 40672, 50530, 50840, 52160, 53464, 66830, 80848, 81344, 101060, 101680, 104320, 106928, 133660, 161696, 162688, 202120, 203360, 207173, 213856, 267320, 323392, 404240, 406720, 414346, 427712, 534640, 646784, 808480, 813440, 828692, 855424, 1035865, 1069280, 1616960, 1657384, 2071730, 2138560, 3233920, 3314768, 4143460, 4277120, 6629536, 8286920, 13259072, 16573840, 26518144, 33147680, 66295360, 132590720]

約数ペア:

[(1, 132590720), (2, 66295360), (4, 33147680), (5, 26518144), (8, 16573840), (10, 13259072), (16, 8286920), (20, 6629536), (31, 4277120), (32, 4143460), (40, 3314768), (41, 3233920), (62, 2138560), (64, 2071730), (80, 1657384), (82, 1616960), (124, 1069280), (128, 1035865), (155, 855424), (160, 828692), (163, 813440), (164, 808480), (205, 646784), (248, 534640), (310, 427712), (320, 414346), (326, 406720), (328, 404240), (410, 323392), (496, 267320), (620, 213856), (640, 207173), (652, 203360), (656, 202120), (815, 162688), (820, 161696), (992, 133660), (1240, 106928), (1271, 104320), (1304, 101680), (1312, 101060), (1630, 81344), (1640, 80848), (1984, 66830), (2480, 53464), (2542, 52160), (2608, 50840), (2624, 50530), (3260, 40672), (3280, 40424), (3968, 33415), (4960, 26732), (5053, 26240), (5084, 26080), (5216, 25420), (5248, 25265), (6355, 20864), (6520, 20336), (6560, 20212), (6683, 19840), (9920, 13366), (10106, 13120), (10168, 13040), (10432, 12710)]