637836160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2536

約数の個数: 128

約数和(自身を含む): 1695778560

約数和(自身を除く): 1057942400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1984, 2015, 2080, 2473, 2480, 3224, 3968, 4030, 4160, 4946, 4960, 6448, 8060, 8320, 9892, 9920, 12365, 12896, 16120, 19784, 19840, 24730, 25792, 32149, 32240, 39568, 49460, 51584, 64298, 64480, 76663, 79136, 98920, 128596, 128960, 153326, 158272, 160745, 197840, 257192, 257920, 306652, 316544, 321490, 383315, 395680, 514384, 613304, 642980, 766630, 791360, 996619, 1028768, 1226608, 1285960, 1533260, 1582720, 1993238, 2057536, 2453216, 2571920, 3066520, 3986476, 4115072, 4906432, 4983095, 5143840, 6133040, 7972952, 9812864, 9966190, 10287680, 12266080, 15945904, 19932380, 20575360, 24532160, 31891808, 39864760, 49064320, 63783616, 79729520, 127567232, 159459040, 318918080, 637836160]

約数ペア:

[(1, 637836160), (2, 318918080), (4, 159459040), (5, 127567232), (8, 79729520), (10, 63783616), (13, 49064320), (16, 39864760), (20, 31891808), (26, 24532160), (31, 20575360), (32, 19932380), (40, 15945904), (52, 12266080), (62, 10287680), (64, 9966190), (65, 9812864), (80, 7972952), (104, 6133040), (124, 5143840), (128, 4983095), (130, 4906432), (155, 4115072), (160, 3986476), (208, 3066520), (248, 2571920), (260, 2453216), (310, 2057536), (320, 1993238), (403, 1582720), (416, 1533260), (496, 1285960), (520, 1226608), (620, 1028768), (640, 996619), (806, 791360), (832, 766630), (992, 642980), (1040, 613304), (1240, 514384), (1612, 395680), (1664, 383315), (1984, 321490), (2015, 316544), (2080, 306652), (2473, 257920), (2480, 257192), (3224, 197840), (3968, 160745), (4030, 158272), (4160, 153326), (4946, 128960), (4960, 128596), (6448, 98920), (8060, 79136), (8320, 76663), (9892, 64480), (9920, 64298), (12365, 51584), (12896, 49460), (16120, 39568), (19784, 32240), (19840, 32149), (24730, 25792)]