31249530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 93139200

約数和(自身を除く): 61889670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 87, 90, 117, 130, 135, 145, 174, 195, 234, 261, 270, 290, 307, 351, 377, 390, 435, 522, 585, 614, 702, 754, 783, 870, 921, 1131, 1170, 1305, 1535, 1566, 1755, 1842, 1885, 2262, 2610, 2763, 3070, 3393, 3510, 3770, 3915, 3991, 4605, 5526, 5655, 6786, 7830, 7982, 8289, 8903, 9210, 10179, 11310, 11973, 13815, 16578, 16965, 17806, 19955, 20358, 23946, 26709, 27630, 33930, 35919, 39910, 41445, 44515, 50895, 53418, 59865, 71838, 80127, 82890, 89030, 101790, 107757, 115739, 119730, 133545, 160254, 179595, 215514, 231478, 240381, 267090, 347217, 359190, 400635, 480762, 538785, 578695, 694434, 801270, 1041651, 1077570, 1157390, 1201905, 1736085, 2083302, 2403810, 3124953, 3472170, 5208255, 6249906, 10416510, 15624765, 31249530]

約数ペア:

[(1, 31249530), (2, 15624765), (3, 10416510), (5, 6249906), (6, 5208255), (9, 3472170), (10, 3124953), (13, 2403810), (15, 2083302), (18, 1736085), (26, 1201905), (27, 1157390), (29, 1077570), (30, 1041651), (39, 801270), (45, 694434), (54, 578695), (58, 538785), (65, 480762), (78, 400635), (87, 359190), (90, 347217), (117, 267090), (130, 240381), (135, 231478), (145, 215514), (174, 179595), (195, 160254), (234, 133545), (261, 119730), (270, 115739), (290, 107757), (307, 101790), (351, 89030), (377, 82890), (390, 80127), (435, 71838), (522, 59865), (585, 53418), (614, 50895), (702, 44515), (754, 41445), (783, 39910), (870, 35919), (921, 33930), (1131, 27630), (1170, 26709), (1305, 23946), (1535, 20358), (1566, 19955), (1755, 17806), (1842, 16965), (1885, 16578), (2262, 13815), (2610, 11973), (2763, 11310), (3070, 10179), (3393, 9210), (3510, 8903), (3770, 8289), (3915, 7982), (3991, 7830), (4605, 6786), (5526, 5655)]