779136640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 1942341120

約数和(自身を除く): 1163204480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 173, 227, 248, 310, 320, 346, 454, 496, 620, 640, 692, 865, 908, 992, 1135, 1240, 1384, 1730, 1816, 1984, 2270, 2480, 2768, 3460, 3632, 3968, 4540, 4960, 5363, 5536, 6920, 7037, 7264, 9080, 9920, 10726, 11072, 13840, 14074, 14528, 18160, 19840, 21452, 22144, 26815, 27680, 28148, 29056, 35185, 36320, 39271, 42904, 53630, 55360, 56296, 70370, 72640, 78542, 85808, 107260, 110720, 112592, 140740, 145280, 157084, 171616, 196355, 214520, 225184, 281480, 314168, 343232, 392710, 429040, 450368, 562960, 628336, 686464, 785420, 858080, 900736, 1125920, 1217401, 1256672, 1570840, 1716160, 2251840, 2434802, 2513344, 3141680, 3432320, 4503680, 4869604, 5026688, 6087005, 6283360, 9739208, 12174010, 12566720, 19478416, 24348020, 25133440, 38956832, 48696040, 77913664, 97392080, 155827328, 194784160, 389568320, 779136640]

約数ペア:

[(1, 779136640), (2, 389568320), (4, 194784160), (5, 155827328), (8, 97392080), (10, 77913664), (16, 48696040), (20, 38956832), (31, 25133440), (32, 24348020), (40, 19478416), (62, 12566720), (64, 12174010), (80, 9739208), (124, 6283360), (128, 6087005), (155, 5026688), (160, 4869604), (173, 4503680), (227, 3432320), (248, 3141680), (310, 2513344), (320, 2434802), (346, 2251840), (454, 1716160), (496, 1570840), (620, 1256672), (640, 1217401), (692, 1125920), (865, 900736), (908, 858080), (992, 785420), (1135, 686464), (1240, 628336), (1384, 562960), (1730, 450368), (1816, 429040), (1984, 392710), (2270, 343232), (2480, 314168), (2768, 281480), (3460, 225184), (3632, 214520), (3968, 196355), (4540, 171616), (4960, 157084), (5363, 145280), (5536, 140740), (6920, 112592), (7037, 110720), (7264, 107260), (9080, 85808), (9920, 78542), (10726, 72640), (11072, 70370), (13840, 56296), (14074, 55360), (14528, 53630), (18160, 42904), (19840, 39271), (21452, 36320), (22144, 35185), (26815, 29056), (27680, 28148)]