388655880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 1191801600

約数和(自身を除く): 803145720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 151, 178, 241, 267, 302, 356, 445, 453, 482, 534, 604, 712, 723, 755, 890, 906, 964, 1068, 1205, 1208, 1335, 1446, 1510, 1780, 1812, 1928, 2136, 2265, 2410, 2670, 2892, 3020, 3560, 3615, 3624, 4530, 4820, 5340, 5784, 6040, 7230, 9060, 9640, 10680, 13439, 14460, 18120, 21449, 26878, 28920, 36391, 40317, 42898, 53756, 64347, 67195, 72782, 80634, 85796, 107245, 107512, 109173, 128694, 134390, 145564, 161268, 171592, 181955, 201585, 214490, 218346, 257388, 268780, 291128, 321735, 322536, 363910, 403170, 428980, 436692, 514776, 537560, 545865, 643470, 727820, 806340, 857960, 873384, 1091730, 1286940, 1455640, 1612680, 2183460, 2573880, 3238799, 4366920, 6477598, 9716397, 12955196, 16193995, 19432794, 25910392, 32387990, 38865588, 48581985, 64775980, 77731176, 97163970, 129551960, 194327940, 388655880]

約数ペア:

[(1, 388655880), (2, 194327940), (3, 129551960), (4, 97163970), (5, 77731176), (6, 64775980), (8, 48581985), (10, 38865588), (12, 32387990), (15, 25910392), (20, 19432794), (24, 16193995), (30, 12955196), (40, 9716397), (60, 6477598), (89, 4366920), (120, 3238799), (151, 2573880), (178, 2183460), (241, 1612680), (267, 1455640), (302, 1286940), (356, 1091730), (445, 873384), (453, 857960), (482, 806340), (534, 727820), (604, 643470), (712, 545865), (723, 537560), (755, 514776), (890, 436692), (906, 428980), (964, 403170), (1068, 363910), (1205, 322536), (1208, 321735), (1335, 291128), (1446, 268780), (1510, 257388), (1780, 218346), (1812, 214490), (1928, 201585), (2136, 181955), (2265, 171592), (2410, 161268), (2670, 145564), (2892, 134390), (3020, 128694), (3560, 109173), (3615, 107512), (3624, 107245), (4530, 85796), (4820, 80634), (5340, 72782), (5784, 67195), (6040, 64347), (7230, 53756), (9060, 42898), (9640, 40317), (10680, 36391), (13439, 28920), (14460, 26878), (18120, 21449)]