18366968720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1\times {\mathrm{10867}}^1$

素因数の和:11488

約数の個数: 80

約数和(自身を含む): 43938193728

約数和(自身を除く): 25571225008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 571, 592, 740, 1142, 1480, 2284, 2855, 2960, 4568, 5710, 9136, 10867, 11420, 21127, 21734, 22840, 42254, 43468, 45680, 54335, 84508, 86936, 105635, 108670, 169016, 173872, 211270, 217340, 338032, 402079, 422540, 434680, 804158, 845080, 869360, 1608316, 1690160, 2010395, 3216632, 4020790, 6205057, 6433264, 8041580, 12410114, 16083160, 24820228, 31025285, 32166320, 49640456, 62050570, 99280912, 124101140, 229587109, 248202280, 459174218, 496404560, 918348436, 1147935545, 1836696872, 2295871090, 3673393744, 4591742180, 9183484360, 18366968720]

約数ペア:

[(1, 18366968720), (2, 9183484360), (4, 4591742180), (5, 3673393744), (8, 2295871090), (10, 1836696872), (16, 1147935545), (20, 918348436), (37, 496404560), (40, 459174218), (74, 248202280), (80, 229587109), (148, 124101140), (185, 99280912), (296, 62050570), (370, 49640456), (571, 32166320), (592, 31025285), (740, 24820228), (1142, 16083160), (1480, 12410114), (2284, 8041580), (2855, 6433264), (2960, 6205057), (4568, 4020790), (5710, 3216632), (9136, 2010395), (10867, 1690160), (11420, 1608316), (21127, 869360), (21734, 845080), (22840, 804158), (42254, 434680), (43468, 422540), (45680, 402079), (54335, 338032), (84508, 217340), (86936, 211270), (105635, 173872), (108670, 169016)]