2637960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 9072000

約数和(自身を除く): 6434040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 89, 95, 104, 114, 120, 130, 152, 156, 178, 190, 195, 228, 247, 260, 267, 285, 312, 356, 380, 390, 445, 456, 494, 520, 534, 570, 712, 741, 760, 780, 890, 988, 1068, 1140, 1157, 1235, 1335, 1482, 1560, 1691, 1780, 1976, 2136, 2280, 2314, 2470, 2670, 2964, 3382, 3471, 3560, 3705, 4628, 4940, 5073, 5340, 5785, 5928, 6764, 6942, 7410, 8455, 9256, 9880, 10146, 10680, 11570, 13528, 13884, 14820, 16910, 17355, 20292, 21983, 23140, 25365, 27768, 29640, 33820, 34710, 40584, 43966, 46280, 50730, 65949, 67640, 69420, 87932, 101460, 109915, 131898, 138840, 175864, 202920, 219830, 263796, 329745, 439660, 527592, 659490, 879320, 1318980, 2637960]

約数ペア:

[(1, 2637960), (2, 1318980), (3, 879320), (4, 659490), (5, 527592), (6, 439660), (8, 329745), (10, 263796), (12, 219830), (13, 202920), (15, 175864), (19, 138840), (20, 131898), (24, 109915), (26, 101460), (30, 87932), (38, 69420), (39, 67640), (40, 65949), (52, 50730), (57, 46280), (60, 43966), (65, 40584), (76, 34710), (78, 33820), (89, 29640), (95, 27768), (104, 25365), (114, 23140), (120, 21983), (130, 20292), (152, 17355), (156, 16910), (178, 14820), (190, 13884), (195, 13528), (228, 11570), (247, 10680), (260, 10146), (267, 9880), (285, 9256), (312, 8455), (356, 7410), (380, 6942), (390, 6764), (445, 5928), (456, 5785), (494, 5340), (520, 5073), (534, 4940), (570, 4628), (712, 3705), (741, 3560), (760, 3471), (780, 3382), (890, 2964), (988, 2670), (1068, 2470), (1140, 2314), (1157, 2280), (1235, 2136), (1335, 1976), (1482, 1780), (1560, 1691)]