721292976

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{70549}}^1$

素因数の和:70634

約数の個数: 60

約数和(自身を含む): 2047078800

約数和(自身を除く): 1325785824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 70549, 141098, 211647, 282196, 423294, 564392, 634941, 846588, 1128784, 1269882, 1693176, 2539764, 3386352, 5008979, 5079528, 10017958, 10159056, 15026937, 20035916, 30053874, 40071832, 45080811, 60107748, 80143664, 90161622, 120215496, 180323244, 240430992, 360646488, 721292976]

約数ペア:

[(1, 721292976), (2, 360646488), (3, 240430992), (4, 180323244), (6, 120215496), (8, 90161622), (9, 80143664), (12, 60107748), (16, 45080811), (18, 40071832), (24, 30053874), (36, 20035916), (48, 15026937), (71, 10159056), (72, 10017958), (142, 5079528), (144, 5008979), (213, 3386352), (284, 2539764), (426, 1693176), (568, 1269882), (639, 1128784), (852, 846588), (1136, 634941), (1278, 564392), (1704, 423294), (2556, 282196), (3408, 211647), (5112, 141098), (10224, 70549)]