77791760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 190581552

約数和(自身を除く): 112789792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 296, 328, 370, 410, 592, 641, 656, 740, 820, 1282, 1480, 1517, 1640, 2564, 2960, 3034, 3205, 3280, 5128, 6068, 6410, 7585, 10256, 12136, 12820, 15170, 23717, 24272, 25640, 26281, 30340, 47434, 51280, 52562, 60680, 94868, 105124, 118585, 121360, 131405, 189736, 210248, 237170, 262810, 379472, 420496, 474340, 525620, 948680, 972397, 1051240, 1897360, 1944794, 2102480, 3889588, 4861985, 7779176, 9723970, 15558352, 19447940, 38895880, 77791760]

約数ペア:

[(1, 77791760), (2, 38895880), (4, 19447940), (5, 15558352), (8, 9723970), (10, 7779176), (16, 4861985), (20, 3889588), (37, 2102480), (40, 1944794), (41, 1897360), (74, 1051240), (80, 972397), (82, 948680), (148, 525620), (164, 474340), (185, 420496), (205, 379472), (296, 262810), (328, 237170), (370, 210248), (410, 189736), (592, 131405), (641, 121360), (656, 118585), (740, 105124), (820, 94868), (1282, 60680), (1480, 52562), (1517, 51280), (1640, 47434), (2564, 30340), (2960, 26281), (3034, 25640), (3205, 24272), (3280, 23717), (5128, 15170), (6068, 12820), (6410, 12136), (7585, 10256)]