312899520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1$

素因数の和:1238

約数の個数: 112

約数和(自身を含む): 997171488

約数和(自身を除く): 684271968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 397, 480, 794, 821, 960, 1191, 1588, 1642, 1985, 2382, 2463, 3176, 3284, 3970, 4105, 4764, 4926, 5955, 6352, 6568, 7940, 8210, 9528, 9852, 11910, 12315, 12704, 13136, 15880, 16420, 19056, 19704, 23820, 24630, 25408, 26272, 31760, 32840, 38112, 39408, 47640, 49260, 52544, 63520, 65680, 76224, 78816, 95280, 98520, 127040, 131360, 157632, 190560, 197040, 262720, 325937, 381120, 394080, 651874, 788160, 977811, 1303748, 1629685, 1955622, 2607496, 3259370, 3911244, 4889055, 5214992, 6518740, 7822488, 9778110, 10429984, 13037480, 15644976, 19556220, 20859968, 26074960, 31289952, 39112440, 52149920, 62579904, 78224880, 104299840, 156449760, 312899520]

約数ペア:

[(1, 312899520), (2, 156449760), (3, 104299840), (4, 78224880), (5, 62579904), (6, 52149920), (8, 39112440), (10, 31289952), (12, 26074960), (15, 20859968), (16, 19556220), (20, 15644976), (24, 13037480), (30, 10429984), (32, 9778110), (40, 7822488), (48, 6518740), (60, 5214992), (64, 4889055), (80, 3911244), (96, 3259370), (120, 2607496), (160, 1955622), (192, 1629685), (240, 1303748), (320, 977811), (397, 788160), (480, 651874), (794, 394080), (821, 381120), (960, 325937), (1191, 262720), (1588, 197040), (1642, 190560), (1985, 157632), (2382, 131360), (2463, 127040), (3176, 98520), (3284, 95280), (3970, 78816), (4105, 76224), (4764, 65680), (4926, 63520), (5955, 52544), (6352, 49260), (6568, 47640), (7940, 39408), (8210, 38112), (9528, 32840), (9852, 31760), (11910, 26272), (12315, 25408), (12704, 24630), (13136, 23820), (15880, 19704), (16420, 19056)]