331744640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:800

約数の個数: 128

約数和(自身を含む): 855429120

約数和(自身を除く): 523684480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 640, 713, 727, 736, 920, 992, 1240, 1426, 1454, 1472, 1840, 1984, 2480, 2852, 2908, 2944, 3565, 3635, 3680, 3968, 4960, 5704, 5816, 7130, 7270, 7360, 9920, 11408, 11632, 14260, 14540, 14720, 16721, 19840, 22537, 22816, 23264, 28520, 29080, 33442, 45074, 45632, 46528, 57040, 58160, 66884, 83605, 90148, 91264, 93056, 112685, 114080, 116320, 133768, 167210, 180296, 225370, 228160, 232640, 267536, 334420, 360592, 450740, 456320, 465280, 518351, 535072, 668840, 721184, 901480, 1036702, 1070144, 1337680, 1442368, 1802960, 2073404, 2140288, 2591755, 2675360, 2884736, 3605920, 4146808, 5183510, 5350720, 7211840, 8293616, 10367020, 10701440, 14423680, 16587232, 20734040, 33174464, 41468080, 66348928, 82936160, 165872320, 331744640]

約数ペア:

[(1, 331744640), (2, 165872320), (4, 82936160), (5, 66348928), (8, 41468080), (10, 33174464), (16, 20734040), (20, 16587232), (23, 14423680), (31, 10701440), (32, 10367020), (40, 8293616), (46, 7211840), (62, 5350720), (64, 5183510), (80, 4146808), (92, 3605920), (115, 2884736), (124, 2675360), (128, 2591755), (155, 2140288), (160, 2073404), (184, 1802960), (230, 1442368), (248, 1337680), (310, 1070144), (320, 1036702), (368, 901480), (460, 721184), (496, 668840), (620, 535072), (640, 518351), (713, 465280), (727, 456320), (736, 450740), (920, 360592), (992, 334420), (1240, 267536), (1426, 232640), (1454, 228160), (1472, 225370), (1840, 180296), (1984, 167210), (2480, 133768), (2852, 116320), (2908, 114080), (2944, 112685), (3565, 93056), (3635, 91264), (3680, 90148), (3968, 83605), (4960, 66884), (5704, 58160), (5816, 57040), (7130, 46528), (7270, 45632), (7360, 45074), (9920, 33442), (11408, 29080), (11632, 28520), (14260, 23264), (14540, 22816), (14720, 22537), (16721, 19840)]