71877780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3413}}^1$

素因数の和:3447

約数の個数: 120

約数和(自身を含む): 242899272

約数和(自身を除く): 171021492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3413, 3510, 4212, 5265, 6826, 7020, 10239, 10530, 13652, 17065, 20478, 21060, 30717, 34130, 40956, 44369, 51195, 61434, 68260, 88738, 92151, 102390, 122868, 133107, 153585, 177476, 184302, 204780, 221845, 266214, 276453, 307170, 368604, 399321, 443690, 460755, 532428, 552906, 614340, 665535, 798642, 887380, 921510, 1105812, 1197963, 1331070, 1382265, 1597284, 1843020, 1996605, 2395926, 2662140, 2764530, 3593889, 3993210, 4791852, 5529060, 5989815, 7187778, 7986420, 11979630, 14375556, 17969445, 23959260, 35938890, 71877780]

約数ペア:

[(1, 71877780), (2, 35938890), (3, 23959260), (4, 17969445), (5, 14375556), (6, 11979630), (9, 7986420), (10, 7187778), (12, 5989815), (13, 5529060), (15, 4791852), (18, 3993210), (20, 3593889), (26, 2764530), (27, 2662140), (30, 2395926), (36, 1996605), (39, 1843020), (45, 1597284), (52, 1382265), (54, 1331070), (60, 1197963), (65, 1105812), (78, 921510), (81, 887380), (90, 798642), (108, 665535), (117, 614340), (130, 552906), (135, 532428), (156, 460755), (162, 443690), (180, 399321), (195, 368604), (234, 307170), (260, 276453), (270, 266214), (324, 221845), (351, 204780), (390, 184302), (405, 177476), (468, 153585), (540, 133107), (585, 122868), (702, 102390), (780, 92151), (810, 88738), (1053, 68260), (1170, 61434), (1404, 51195), (1620, 44369), (1755, 40956), (2106, 34130), (2340, 30717), (3413, 21060), (3510, 20478), (4212, 17065), (5265, 13652), (6826, 10530), (7020, 10239)]