644106840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:778

約数の個数: 256

約数和(自身を含む): 2264371200

約数和(自身を除く): 1620264360

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, 701, 741, 744, 760, 780, 806, 930, 988, 1140, 1178, 1209, 1235, 1240, 1402, 1482, 1560, 1612, 1767, 1860, 1976, 2015, 2103, 2280, 2356, 2418, 2470, 2804, 2945, 2964, 3224, 3505, 3534, 3705, 3720, 4030, 4206, 4712, 4836, 4940, 5608, 5890, 5928, 6045, 7010, 7068, 7410, 7657, 8060, 8412, 8835, 9113, 9672, 9880, 10515, 11780, 12090, 13319, 14020, 14136, 14820, 15314, 16120, 16824, 17670, 18226, 21030, 21731, 22971, 23560, 24180, 26638, 27339, 28040, 29640, 30628, 35340, 36452, 38285, 39957, 42060, 43462, 45565, 45942, 48360, 53276, 54678, 61256, 65193, 66595, 70680, 72904, 76570, 79914, 84120, 86924, 91130, 91884, 106552, 108655, 109356, 114855, 130386, 133190, 136695, 153140, 159828, 173147, 173848, 182260, 183768, 199785, 217310, 218712, 229710, 260772, 266380, 273390, 282503, 306280, 319656, 325965, 346294, 364520, 399570, 412889, 434620, 459420, 519441, 521544, 532760, 546780, 565006, 651930, 692588, 799140, 825778, 847509, 865735, 869240, 918840, 1038882, 1093560, 1130012, 1238667, 1303860, 1385176, 1412515, 1598280, 1651556, 1695018, 1731470, 2064445, 2077764, 2260024, 2477334, 2597205, 2607720, 2825030, 3303112, 3390036, 3462940, 4128890, 4155528, 4237545, 4954668, 5194410, 5367557, 5650060, 6193335, 6780072, 6925880, 8257780, 8475090, 9909336, 10388820, 10735114, 11300120, 12386670, 16102671, 16515560, 16950180, 20777640, 21470228, 24773340, 26837785, 32205342, 33900360, 42940456, 49546680, 53675570, 64410684, 80513355, 107351140, 128821368, 161026710, 214702280, 322053420, 644106840]

約数ペア:

[(1, 644106840), (2, 322053420), (3, 214702280), (4, 161026710), (5, 128821368), (6, 107351140), (8, 80513355), (10, 64410684), (12, 53675570), (13, 49546680), (15, 42940456), (19, 33900360), (20, 32205342), (24, 26837785), (26, 24773340), (30, 21470228), (31, 20777640), (38, 16950180), (39, 16515560), (40, 16102671), (52, 12386670), (57, 11300120), (60, 10735114), (62, 10388820), (65, 9909336), (76, 8475090), (78, 8257780), (93, 6925880), (95, 6780072), (104, 6193335), (114, 5650060), (120, 5367557), (124, 5194410), (130, 4954668), (152, 4237545), (155, 4155528), (156, 4128890), (186, 3462940), (190, 3390036), (195, 3303112), (228, 2825030), (247, 2607720), (248, 2597205), (260, 2477334), (285, 2260024), (310, 2077764), (312, 2064445), (372, 1731470), (380, 1695018), (390, 1651556), (403, 1598280), (456, 1412515), (465, 1385176), (494, 1303860), (520, 1238667), (570, 1130012), (589, 1093560), (620, 1038882), (701, 918840), (741, 869240), (744, 865735), (760, 847509), (780, 825778), (806, 799140), (930, 692588), (988, 651930), (1140, 565006), (1178, 546780), (1209, 532760), (1235, 521544), (1240, 519441), (1402, 459420), (1482, 434620), (1560, 412889), (1612, 399570), (1767, 364520), (1860, 346294), (1976, 325965), (2015, 319656), (2103, 306280), (2280, 282503), (2356, 273390), (2418, 266380), (2470, 260772), (2804, 229710), (2945, 218712), (2964, 217310), (3224, 199785), (3505, 183768), (3534, 182260), (3705, 173848), (3720, 173147), (4030, 159828), (4206, 153140), (4712, 136695), (4836, 133190), (4940, 130386), (5608, 114855), (5890, 109356), (5928, 108655), (6045, 106552), (7010, 91884), (7068, 91130), (7410, 86924), (7657, 84120), (8060, 79914), (8412, 76570), (8835, 72904), (9113, 70680), (9672, 66595), (9880, 65193), (10515, 61256), (11780, 54678), (12090, 53276), (13319, 48360), (14020, 45942), (14136, 45565), (14820, 43462), (15314, 42060), (16120, 39957), (16824, 38285), (17670, 36452), (18226, 35340), (21030, 30628), (21731, 29640), (22971, 28040), (23560, 27339), (24180, 26638)]