123185320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2506

約数の個数: 64

約数和(自身を含む): 293207040

約数和(自身を除く): 170021720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2423, 2542, 4846, 5084, 6355, 9692, 10168, 12115, 12710, 19384, 24230, 25420, 48460, 50840, 75113, 96920, 99343, 150226, 198686, 300452, 375565, 397372, 496715, 600904, 751130, 794744, 993430, 1502260, 1986860, 3004520, 3079633, 3973720, 6159266, 12318532, 15398165, 24637064, 30796330, 61592660, 123185320]

約数ペア:

[(1, 123185320), (2, 61592660), (4, 30796330), (5, 24637064), (8, 15398165), (10, 12318532), (20, 6159266), (31, 3973720), (40, 3079633), (41, 3004520), (62, 1986860), (82, 1502260), (124, 993430), (155, 794744), (164, 751130), (205, 600904), (248, 496715), (310, 397372), (328, 375565), (410, 300452), (620, 198686), (820, 150226), (1240, 99343), (1271, 96920), (1640, 75113), (2423, 50840), (2542, 48460), (4846, 25420), (5084, 24230), (6355, 19384), (9692, 12710), (10168, 12115)]