31615508720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{216071}}^1$

素因数の和:216174

約数の個数: 80

約数和(自身を含む): 77163632640

約数和(自身を除く): 45548123920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1180, 1240, 1829, 2360, 2480, 3658, 4720, 7316, 9145, 14632, 18290, 29264, 36580, 73160, 146320, 216071, 432142, 864284, 1080355, 1728568, 2160710, 3457136, 4321420, 6698201, 8642840, 12748189, 13396402, 17285680, 25496378, 26792804, 33491005, 50992756, 53585608, 63740945, 66982010, 101985512, 107171216, 127481890, 133964020, 203971024, 254963780, 267928040, 395193859, 509927560, 535856080, 790387718, 1019855120, 1580775436, 1975969295, 3161550872, 3951938590, 6323101744, 7903877180, 15807754360, 31615508720]

約数ペア:

[(1, 31615508720), (2, 15807754360), (4, 7903877180), (5, 6323101744), (8, 3951938590), (10, 3161550872), (16, 1975969295), (20, 1580775436), (31, 1019855120), (40, 790387718), (59, 535856080), (62, 509927560), (80, 395193859), (118, 267928040), (124, 254963780), (155, 203971024), (236, 133964020), (248, 127481890), (295, 107171216), (310, 101985512), (472, 66982010), (496, 63740945), (590, 53585608), (620, 50992756), (944, 33491005), (1180, 26792804), (1240, 25496378), (1829, 17285680), (2360, 13396402), (2480, 12748189), (3658, 8642840), (4720, 6698201), (7316, 4321420), (9145, 3457136), (14632, 2160710), (18290, 1728568), (29264, 1080355), (36580, 864284), (73160, 432142), (146320, 216071)]