291281640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 967645440

約数和(自身を除く): 676363800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 169, 195, 212, 260, 265, 271, 312, 318, 338, 390, 424, 507, 520, 530, 542, 636, 676, 689, 780, 795, 813, 845, 1014, 1060, 1084, 1272, 1352, 1355, 1378, 1560, 1590, 1626, 1690, 2028, 2067, 2120, 2168, 2535, 2710, 2756, 3180, 3252, 3380, 3445, 3523, 4056, 4065, 4134, 5070, 5420, 5512, 6360, 6504, 6760, 6890, 7046, 8130, 8268, 8957, 10140, 10335, 10569, 10840, 13780, 14092, 14363, 16260, 16536, 17615, 17914, 20280, 20670, 21138, 26871, 27560, 28184, 28726, 32520, 35230, 35828, 41340, 42276, 43089, 44785, 45799, 52845, 53742, 57452, 70460, 71656, 71815, 82680, 84552, 86178, 89570, 91598, 105690, 107484, 114904, 134355, 137397, 140920, 143630, 172356, 179140, 183196, 186719, 211380, 214968, 215445, 228995, 268710, 274794, 287260, 344712, 358280, 366392, 373438, 422760, 430890, 457990, 537420, 549588, 560157, 574520, 686985, 746876, 861780, 915980, 933595, 1074840, 1099176, 1120314, 1373970, 1493752, 1723560, 1831960, 1867190, 2240628, 2427347, 2747940, 2800785, 3734380, 4481256, 4854694, 5495880, 5601570, 7282041, 7468760, 9709388, 11203140, 12136735, 14564082, 19418776, 22406280, 24273470, 29128164, 36410205, 48546940, 58256328, 72820410, 97093880, 145640820, 291281640]

約数ペア:

[(1, 291281640), (2, 145640820), (3, 97093880), (4, 72820410), (5, 58256328), (6, 48546940), (8, 36410205), (10, 29128164), (12, 24273470), (13, 22406280), (15, 19418776), (20, 14564082), (24, 12136735), (26, 11203140), (30, 9709388), (39, 7468760), (40, 7282041), (52, 5601570), (53, 5495880), (60, 4854694), (65, 4481256), (78, 3734380), (104, 2800785), (106, 2747940), (120, 2427347), (130, 2240628), (156, 1867190), (159, 1831960), (169, 1723560), (195, 1493752), (212, 1373970), (260, 1120314), (265, 1099176), (271, 1074840), (312, 933595), (318, 915980), (338, 861780), (390, 746876), (424, 686985), (507, 574520), (520, 560157), (530, 549588), (542, 537420), (636, 457990), (676, 430890), (689, 422760), (780, 373438), (795, 366392), (813, 358280), (845, 344712), (1014, 287260), (1060, 274794), (1084, 268710), (1272, 228995), (1352, 215445), (1355, 214968), (1378, 211380), (1560, 186719), (1590, 183196), (1626, 179140), (1690, 172356), (2028, 143630), (2067, 140920), (2120, 137397), (2168, 134355), (2535, 114904), (2710, 107484), (2756, 105690), (3180, 91598), (3252, 89570), (3380, 86178), (3445, 84552), (3523, 82680), (4056, 71815), (4065, 71656), (4134, 70460), (5070, 57452), (5420, 53742), (5512, 52845), (6360, 45799), (6504, 44785), (6760, 43089), (6890, 42276), (7046, 41340), (8130, 35828), (8268, 35230), (8957, 32520), (10140, 28726), (10335, 28184), (10569, 27560), (10840, 26871), (13780, 21138), (14092, 20670), (14363, 20280), (16260, 17914), (16536, 17615)]