78224880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 243404064

約数和(自身を除く): 165179184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 821, 1191, 1588, 1642, 1985, 2382, 2463, 3176, 3284, 3970, 4105, 4764, 4926, 5955, 6352, 6568, 7940, 8210, 9528, 9852, 11910, 12315, 13136, 15880, 16420, 19056, 19704, 23820, 24630, 31760, 32840, 39408, 47640, 49260, 65680, 95280, 98520, 197040, 325937, 651874, 977811, 1303748, 1629685, 1955622, 2607496, 3259370, 3911244, 4889055, 5214992, 6518740, 7822488, 9778110, 13037480, 15644976, 19556220, 26074960, 39112440, 78224880]

約数ペア:

[(1, 78224880), (2, 39112440), (3, 26074960), (4, 19556220), (5, 15644976), (6, 13037480), (8, 9778110), (10, 7822488), (12, 6518740), (15, 5214992), (16, 4889055), (20, 3911244), (24, 3259370), (30, 2607496), (40, 1955622), (48, 1629685), (60, 1303748), (80, 977811), (120, 651874), (240, 325937), (397, 197040), (794, 98520), (821, 95280), (1191, 65680), (1588, 49260), (1642, 47640), (1985, 39408), (2382, 32840), (2463, 31760), (3176, 24630), (3284, 23820), (3970, 19704), (4105, 19056), (4764, 16420), (4926, 15880), (5955, 13136), (6352, 12315), (6568, 11910), (7940, 9852), (8210, 9528)]