666336320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5167}}^1$

素因数の和:5228

約数の個数: 112

約数和(自身を含む): 1764231168

約数和(自身を除く): 1097894848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 5167, 6448, 8060, 9920, 10334, 12896, 16120, 20668, 25792, 25835, 32240, 41336, 51670, 64480, 67171, 82672, 103340, 128960, 134342, 160177, 165344, 206680, 268684, 320354, 330688, 335855, 413360, 537368, 640708, 671710, 800885, 826720, 1074736, 1281416, 1343420, 1601770, 1653440, 2082301, 2149472, 2562832, 2686840, 3203540, 4164602, 4298944, 5125664, 5373680, 6407080, 8329204, 10251328, 10411505, 10747360, 12814160, 16658408, 20823010, 21494720, 25628320, 33316816, 41646020, 51256640, 66633632, 83292040, 133267264, 166584080, 333168160, 666336320]

約数ペア:

[(1, 666336320), (2, 333168160), (4, 166584080), (5, 133267264), (8, 83292040), (10, 66633632), (13, 51256640), (16, 41646020), (20, 33316816), (26, 25628320), (31, 21494720), (32, 20823010), (40, 16658408), (52, 12814160), (62, 10747360), (64, 10411505), (65, 10251328), (80, 8329204), (104, 6407080), (124, 5373680), (130, 5125664), (155, 4298944), (160, 4164602), (208, 3203540), (248, 2686840), (260, 2562832), (310, 2149472), (320, 2082301), (403, 1653440), (416, 1601770), (496, 1343420), (520, 1281416), (620, 1074736), (806, 826720), (832, 800885), (992, 671710), (1040, 640708), (1240, 537368), (1612, 413360), (1984, 335855), (2015, 330688), (2080, 320354), (2480, 268684), (3224, 206680), (4030, 165344), (4160, 160177), (4960, 134342), (5167, 128960), (6448, 103340), (8060, 82672), (9920, 67171), (10334, 64480), (12896, 51670), (16120, 41336), (20668, 32240), (25792, 25835)]