8914360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 25804800

約数和(自身を除く): 16890440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 79, 91, 104, 124, 130, 140, 155, 158, 182, 217, 248, 260, 280, 310, 316, 364, 395, 403, 434, 455, 520, 553, 620, 632, 728, 790, 806, 868, 910, 1027, 1085, 1106, 1240, 1580, 1612, 1736, 1820, 2015, 2054, 2170, 2212, 2449, 2765, 2821, 3160, 3224, 3640, 4030, 4108, 4340, 4424, 4898, 5135, 5530, 5642, 7189, 8060, 8216, 8680, 9796, 10270, 11060, 11284, 12245, 14105, 14378, 16120, 17143, 19592, 20540, 22120, 22568, 24490, 28210, 28756, 31837, 34286, 35945, 41080, 48980, 56420, 57512, 63674, 68572, 71890, 85715, 97960, 112840, 127348, 137144, 143780, 159185, 171430, 222859, 254696, 287560, 318370, 342860, 445718, 636740, 685720, 891436, 1114295, 1273480, 1782872, 2228590, 4457180, 8914360]

約数ペア:

[(1, 8914360), (2, 4457180), (4, 2228590), (5, 1782872), (7, 1273480), (8, 1114295), (10, 891436), (13, 685720), (14, 636740), (20, 445718), (26, 342860), (28, 318370), (31, 287560), (35, 254696), (40, 222859), (52, 171430), (56, 159185), (62, 143780), (65, 137144), (70, 127348), (79, 112840), (91, 97960), (104, 85715), (124, 71890), (130, 68572), (140, 63674), (155, 57512), (158, 56420), (182, 48980), (217, 41080), (248, 35945), (260, 34286), (280, 31837), (310, 28756), (316, 28210), (364, 24490), (395, 22568), (403, 22120), (434, 20540), (455, 19592), (520, 17143), (553, 16120), (620, 14378), (632, 14105), (728, 12245), (790, 11284), (806, 11060), (868, 10270), (910, 9796), (1027, 8680), (1085, 8216), (1106, 8060), (1240, 7189), (1580, 5642), (1612, 5530), (1736, 5135), (1820, 4898), (2015, 4424), (2054, 4340), (2170, 4108), (2212, 4030), (2449, 3640), (2765, 3224), (2821, 3160)]