55400280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2133

約数の個数: 128

約数和(自身を含む): 189604800

約数和(自身を除く): 134204520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2089, 2210, 2652, 3315, 4178, 4420, 5304, 6267, 6630, 8356, 8840, 10445, 12534, 13260, 16712, 20890, 25068, 26520, 27157, 31335, 35513, 41780, 50136, 54314, 62670, 71026, 81471, 83560, 106539, 108628, 125340, 135785, 142052, 162942, 177565, 213078, 217256, 250680, 271570, 284104, 325884, 355130, 407355, 426156, 461669, 532695, 543140, 651768, 710260, 814710, 852312, 923338, 1065390, 1086280, 1385007, 1420520, 1629420, 1846676, 2130780, 2308345, 2770014, 3258840, 3693352, 4261560, 4616690, 5540028, 6925035, 9233380, 11080056, 13850070, 18466760, 27700140, 55400280]

約数ペア:

[(1, 55400280), (2, 27700140), (3, 18466760), (4, 13850070), (5, 11080056), (6, 9233380), (8, 6925035), (10, 5540028), (12, 4616690), (13, 4261560), (15, 3693352), (17, 3258840), (20, 2770014), (24, 2308345), (26, 2130780), (30, 1846676), (34, 1629420), (39, 1420520), (40, 1385007), (51, 1086280), (52, 1065390), (60, 923338), (65, 852312), (68, 814710), (78, 710260), (85, 651768), (102, 543140), (104, 532695), (120, 461669), (130, 426156), (136, 407355), (156, 355130), (170, 325884), (195, 284104), (204, 271570), (221, 250680), (255, 217256), (260, 213078), (312, 177565), (340, 162942), (390, 142052), (408, 135785), (442, 125340), (510, 108628), (520, 106539), (663, 83560), (680, 81471), (780, 71026), (884, 62670), (1020, 54314), (1105, 50136), (1326, 41780), (1560, 35513), (1768, 31335), (2040, 27157), (2089, 26520), (2210, 25068), (2652, 20890), (3315, 16712), (4178, 13260), (4420, 12534), (5304, 10445), (6267, 8840), (6630, 8356)]