1395869940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 4321175040

約数和(自身を除く): 2925305100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 239, 284, 355, 426, 457, 478, 639, 710, 717, 852, 914, 956, 1065, 1195, 1278, 1371, 1420, 1434, 1828, 2130, 2151, 2285, 2390, 2556, 2742, 2868, 3195, 3585, 4113, 4260, 4302, 4570, 4780, 5484, 6390, 6855, 7170, 8226, 8604, 9140, 10755, 12780, 13710, 14340, 16452, 16969, 20565, 21510, 27420, 32447, 33938, 41130, 43020, 50907, 64894, 67876, 82260, 84845, 97341, 101814, 109223, 129788, 152721, 162235, 169690, 194682, 203628, 218446, 254535, 292023, 305442, 324470, 327669, 339380, 389364, 436892, 486705, 509070, 546115, 584046, 610884, 648940, 655338, 763605, 973410, 983007, 1018140, 1092230, 1168092, 1310676, 1460115, 1527210, 1638345, 1946820, 1966014, 2184460, 2920230, 3054420, 3276690, 3932028, 4915035, 5840460, 6553380, 7754833, 9830070, 15509666, 19660140, 23264499, 31019332, 38774165, 46528998, 69793497, 77548330, 93057996, 116322495, 139586994, 155096660, 232644990, 279173988, 348967485, 465289980, 697934970, 1395869940]

約数ペア:

[(1, 1395869940), (2, 697934970), (3, 465289980), (4, 348967485), (5, 279173988), (6, 232644990), (9, 155096660), (10, 139586994), (12, 116322495), (15, 93057996), (18, 77548330), (20, 69793497), (30, 46528998), (36, 38774165), (45, 31019332), (60, 23264499), (71, 19660140), (90, 15509666), (142, 9830070), (180, 7754833), (213, 6553380), (239, 5840460), (284, 4915035), (355, 3932028), (426, 3276690), (457, 3054420), (478, 2920230), (639, 2184460), (710, 1966014), (717, 1946820), (852, 1638345), (914, 1527210), (956, 1460115), (1065, 1310676), (1195, 1168092), (1278, 1092230), (1371, 1018140), (1420, 983007), (1434, 973410), (1828, 763605), (2130, 655338), (2151, 648940), (2285, 610884), (2390, 584046), (2556, 546115), (2742, 509070), (2868, 486705), (3195, 436892), (3585, 389364), (4113, 339380), (4260, 327669), (4302, 324470), (4570, 305442), (4780, 292023), (5484, 254535), (6390, 218446), (6855, 203628), (7170, 194682), (8226, 169690), (8604, 162235), (9140, 152721), (10755, 129788), (12780, 109223), (13710, 101814), (14340, 97341), (16452, 84845), (16969, 82260), (20565, 67876), (21510, 64894), (27420, 50907), (32447, 43020), (33938, 41130)]