165738400

素因数分解:

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

素因数の和:255

約数の個数: 144

約数和(自身を含む): 430472448

約数和(自身を除く): 264734048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 80, 82, 100, 124, 155, 160, 163, 164, 200, 205, 248, 310, 326, 328, 400, 410, 496, 620, 652, 656, 775, 800, 815, 820, 992, 1025, 1240, 1271, 1304, 1312, 1550, 1630, 1640, 2050, 2480, 2542, 2608, 3100, 3260, 3280, 4075, 4100, 4960, 5053, 5084, 5216, 6200, 6355, 6520, 6560, 6683, 8150, 8200, 10106, 10168, 12400, 12710, 13040, 13366, 16300, 16400, 20212, 20336, 24800, 25265, 25420, 26080, 26732, 31775, 32600, 32800, 33415, 40424, 40672, 50530, 50840, 53464, 63550, 65200, 66830, 80848, 101060, 101680, 106928, 126325, 127100, 130400, 133660, 161696, 167075, 202120, 203360, 207173, 213856, 252650, 254200, 267320, 334150, 404240, 414346, 505300, 508400, 534640, 668300, 808480, 828692, 1010600, 1016800, 1035865, 1069280, 1336600, 1657384, 2021200, 2071730, 2673200, 3314768, 4042400, 4143460, 5179325, 5346400, 6629536, 8286920, 10358650, 16573840, 20717300, 33147680, 41434600, 82869200, 165738400]

約数ペア:

[(1, 165738400), (2, 82869200), (4, 41434600), (5, 33147680), (8, 20717300), (10, 16573840), (16, 10358650), (20, 8286920), (25, 6629536), (31, 5346400), (32, 5179325), (40, 4143460), (41, 4042400), (50, 3314768), (62, 2673200), (80, 2071730), (82, 2021200), (100, 1657384), (124, 1336600), (155, 1069280), (160, 1035865), (163, 1016800), (164, 1010600), (200, 828692), (205, 808480), (248, 668300), (310, 534640), (326, 508400), (328, 505300), (400, 414346), (410, 404240), (496, 334150), (620, 267320), (652, 254200), (656, 252650), (775, 213856), (800, 207173), (815, 203360), (820, 202120), (992, 167075), (1025, 161696), (1240, 133660), (1271, 130400), (1304, 127100), (1312, 126325), (1550, 106928), (1630, 101680), (1640, 101060), (2050, 80848), (2480, 66830), (2542, 65200), (2608, 63550), (3100, 53464), (3260, 50840), (3280, 50530), (4075, 40672), (4100, 40424), (4960, 33415), (5053, 32800), (5084, 32600), (5216, 31775), (6200, 26732), (6355, 26080), (6520, 25420), (6560, 25265), (6683, 24800), (8150, 20336), (8200, 20212), (10106, 16400), (10168, 16300), (12400, 13366), (12710, 13040)]