253883280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151121}}^1$

素因数の和:151144

約数の個数: 80

約数和(自身を含む): 899478144

約数和(自身を除く): 645594864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 151121, 302242, 453363, 604484, 755605, 906726, 1057847, 1208968, 1511210, 1813452, 2115694, 2266815, 2417936, 3022420, 3173541, 3626904, 4231388, 4533630, 5289235, 6044840, 6347082, 7253808, 8462776, 9067260, 10578470, 12089680, 12694164, 15867705, 16925552, 18134520, 21156940, 25388328, 31735410, 36269040, 42313880, 50776656, 63470820, 84627760, 126941640, 253883280]

約数ペア:

[(1, 253883280), (2, 126941640), (3, 84627760), (4, 63470820), (5, 50776656), (6, 42313880), (7, 36269040), (8, 31735410), (10, 25388328), (12, 21156940), (14, 18134520), (15, 16925552), (16, 15867705), (20, 12694164), (21, 12089680), (24, 10578470), (28, 9067260), (30, 8462776), (35, 7253808), (40, 6347082), (42, 6044840), (48, 5289235), (56, 4533630), (60, 4231388), (70, 3626904), (80, 3173541), (84, 3022420), (105, 2417936), (112, 2266815), (120, 2115694), (140, 1813452), (168, 1511210), (210, 1208968), (240, 1057847), (280, 906726), (336, 755605), (420, 604484), (560, 453363), (840, 302242), (1680, 151121)]