918840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 3225600

約数和(自身を除く): 2306760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 31, 38, 39, 40, 52, 57, 60, 62, 65, 76, 78, 93, 95, 104, 114, 120, 124, 130, 152, 155, 156, 186, 190, 195, 228, 247, 248, 260, 285, 310, 312, 372, 380, 390, 403, 456, 465, 494, 520, 570, 589, 620, 741, 744, 760, 780, 806, 930, 988, 1140, 1178, 1209, 1235, 1240, 1482, 1560, 1612, 1767, 1860, 1976, 2015, 2280, 2356, 2418, 2470, 2945, 2964, 3224, 3534, 3705, 3720, 4030, 4712, 4836, 4940, 5890, 5928, 6045, 7068, 7410, 7657, 8060, 8835, 9672, 9880, 11780, 12090, 14136, 14820, 15314, 16120, 17670, 22971, 23560, 24180, 29640, 30628, 35340, 38285, 45942, 48360, 61256, 70680, 76570, 91884, 114855, 153140, 183768, 229710, 306280, 459420, 918840]

約数ペア:

[(1, 918840), (2, 459420), (3, 306280), (4, 229710), (5, 183768), (6, 153140), (8, 114855), (10, 91884), (12, 76570), (13, 70680), (15, 61256), (19, 48360), (20, 45942), (24, 38285), (26, 35340), (30, 30628), (31, 29640), (38, 24180), (39, 23560), (40, 22971), (52, 17670), (57, 16120), (60, 15314), (62, 14820), (65, 14136), (76, 12090), (78, 11780), (93, 9880), (95, 9672), (104, 8835), (114, 8060), (120, 7657), (124, 7410), (130, 7068), (152, 6045), (155, 5928), (156, 5890), (186, 4940), (190, 4836), (195, 4712), (228, 4030), (247, 3720), (248, 3705), (260, 3534), (285, 3224), (310, 2964), (312, 2945), (372, 2470), (380, 2418), (390, 2356), (403, 2280), (456, 2015), (465, 1976), (494, 1860), (520, 1767), (570, 1612), (589, 1560), (620, 1482), (741, 1240), (744, 1235), (760, 1209), (780, 1178), (806, 1140), (930, 988)]