28956240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 120

約数和(自身を含む): 98306208

約数和(自身を除く): 69349968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 307, 360, 393, 524, 614, 655, 720, 786, 921, 1048, 1179, 1228, 1310, 1535, 1572, 1842, 1965, 2096, 2358, 2456, 2620, 2763, 3070, 3144, 3684, 3930, 4605, 4716, 4912, 5240, 5526, 5895, 6140, 6288, 7368, 7860, 9210, 9432, 10480, 11052, 11790, 12280, 13815, 14736, 15720, 18420, 18864, 22104, 23580, 24560, 27630, 31440, 36840, 40217, 44208, 47160, 55260, 73680, 80434, 94320, 110520, 120651, 160868, 201085, 221040, 241302, 321736, 361953, 402170, 482604, 603255, 643472, 723906, 804340, 965208, 1206510, 1447812, 1608680, 1809765, 1930416, 2413020, 2895624, 3217360, 3619530, 4826040, 5791248, 7239060, 9652080, 14478120, 28956240]

約数ペア:

[(1, 28956240), (2, 14478120), (3, 9652080), (4, 7239060), (5, 5791248), (6, 4826040), (8, 3619530), (9, 3217360), (10, 2895624), (12, 2413020), (15, 1930416), (16, 1809765), (18, 1608680), (20, 1447812), (24, 1206510), (30, 965208), (36, 804340), (40, 723906), (45, 643472), (48, 603255), (60, 482604), (72, 402170), (80, 361953), (90, 321736), (120, 241302), (131, 221040), (144, 201085), (180, 160868), (240, 120651), (262, 110520), (307, 94320), (360, 80434), (393, 73680), (524, 55260), (614, 47160), (655, 44208), (720, 40217), (786, 36840), (921, 31440), (1048, 27630), (1179, 24560), (1228, 23580), (1310, 22104), (1535, 18864), (1572, 18420), (1842, 15720), (1965, 14736), (2096, 13815), (2358, 12280), (2456, 11790), (2620, 11052), (2763, 10480), (3070, 9432), (3144, 9210), (3684, 7860), (3930, 7368), (4605, 6288), (4716, 6140), (4912, 5895), (5240, 5526)]