781304940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1670

約数の個数: 240

約数和(自身を含む): 2755988928

約数和(自身を除く): 1974683988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 81, 90, 92, 108, 115, 117, 130, 135, 138, 156, 162, 180, 195, 207, 230, 234, 260, 270, 276, 299, 324, 345, 351, 390, 405, 414, 460, 468, 540, 585, 598, 621, 690, 702, 780, 810, 828, 897, 1035, 1053, 1170, 1196, 1242, 1380, 1404, 1495, 1613, 1620, 1755, 1794, 1863, 2070, 2106, 2340, 2484, 2691, 2990, 3105, 3226, 3510, 3588, 3726, 4140, 4212, 4485, 4839, 5265, 5382, 5980, 6210, 6452, 7020, 7452, 8065, 8073, 8970, 9315, 9678, 10530, 10764, 12420, 13455, 14517, 16130, 16146, 17940, 18630, 19356, 20969, 21060, 24195, 24219, 26910, 29034, 32260, 32292, 37099, 37260, 40365, 41938, 43551, 48390, 48438, 53820, 58068, 62907, 72585, 74198, 80730, 83876, 87102, 96780, 96876, 104845, 111297, 121095, 125814, 130653, 145170, 148396, 161460, 174204, 185495, 188721, 209690, 217755, 222594, 242190, 251628, 261306, 290340, 314535, 333891, 370990, 377442, 419380, 435510, 445188, 482287, 484380, 522612, 556485, 566163, 629070, 653265, 667782, 741980, 754884, 871020, 943605, 964574, 1001673, 1112970, 1132326, 1258140, 1306530, 1335564, 1446861, 1669455, 1698489, 1887210, 1929148, 2003346, 2225940, 2264652, 2411435, 2613060, 2830815, 2893722, 3005019, 3338910, 3396978, 3774420, 4006692, 4340583, 4822870, 5008365, 5661630, 5787444, 6010038, 6677820, 6793956, 7234305, 8492445, 8681166, 9645740, 10016730, 11323260, 12020076, 13021749, 14468610, 15025095, 16984890, 17362332, 20033460, 21702915, 26043498, 28937220, 30050190, 33969780, 39065247, 43405830, 52086996, 60100380, 65108745, 78130494, 86811660, 130217490, 156260988, 195326235, 260434980, 390652470, 781304940]

約数ペア:

[(1, 781304940), (2, 390652470), (3, 260434980), (4, 195326235), (5, 156260988), (6, 130217490), (9, 86811660), (10, 78130494), (12, 65108745), (13, 60100380), (15, 52086996), (18, 43405830), (20, 39065247), (23, 33969780), (26, 30050190), (27, 28937220), (30, 26043498), (36, 21702915), (39, 20033460), (45, 17362332), (46, 16984890), (52, 15025095), (54, 14468610), (60, 13021749), (65, 12020076), (69, 11323260), (78, 10016730), (81, 9645740), (90, 8681166), (92, 8492445), (108, 7234305), (115, 6793956), (117, 6677820), (130, 6010038), (135, 5787444), (138, 5661630), (156, 5008365), (162, 4822870), (180, 4340583), (195, 4006692), (207, 3774420), (230, 3396978), (234, 3338910), (260, 3005019), (270, 2893722), (276, 2830815), (299, 2613060), (324, 2411435), (345, 2264652), (351, 2225940), (390, 2003346), (405, 1929148), (414, 1887210), (460, 1698489), (468, 1669455), (540, 1446861), (585, 1335564), (598, 1306530), (621, 1258140), (690, 1132326), (702, 1112970), (780, 1001673), (810, 964574), (828, 943605), (897, 871020), (1035, 754884), (1053, 741980), (1170, 667782), (1196, 653265), (1242, 629070), (1380, 566163), (1404, 556485), (1495, 522612), (1613, 484380), (1620, 482287), (1755, 445188), (1794, 435510), (1863, 419380), (2070, 377442), (2106, 370990), (2340, 333891), (2484, 314535), (2691, 290340), (2990, 261306), (3105, 251628), (3226, 242190), (3510, 222594), (3588, 217755), (3726, 209690), (4140, 188721), (4212, 185495), (4485, 174204), (4839, 161460), (5265, 148396), (5382, 145170), (5980, 130653), (6210, 125814), (6452, 121095), (7020, 111297), (7452, 104845), (8065, 96876), (8073, 96780), (8970, 87102), (9315, 83876), (9678, 80730), (10530, 74198), (10764, 72585), (12420, 62907), (13455, 58068), (14517, 53820), (16130, 48438), (16146, 48390), (17940, 43551), (18630, 41938), (19356, 40365), (20969, 37260), (21060, 37099), (24195, 32292), (24219, 32260), (26910, 29034)]