64557840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15823}}^1$

素因数の和:15856

約数の個数: 80

約数和(自身を含む): 211915008

約数和(自身を除く): 147357168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 15823, 31646, 47469, 63292, 79115, 94938, 126584, 158230, 189876, 237345, 253168, 268991, 316460, 379752, 474690, 537982, 632920, 759504, 806973, 949380, 1075964, 1265840, 1344955, 1613946, 1898760, 2151928, 2689910, 3227892, 3797520, 4034865, 4303856, 5379820, 6455784, 8069730, 10759640, 12911568, 16139460, 21519280, 32278920, 64557840]

約数ペア:

[(1, 64557840), (2, 32278920), (3, 21519280), (4, 16139460), (5, 12911568), (6, 10759640), (8, 8069730), (10, 6455784), (12, 5379820), (15, 4303856), (16, 4034865), (17, 3797520), (20, 3227892), (24, 2689910), (30, 2151928), (34, 1898760), (40, 1613946), (48, 1344955), (51, 1265840), (60, 1075964), (68, 949380), (80, 806973), (85, 759504), (102, 632920), (120, 537982), (136, 474690), (170, 379752), (204, 316460), (240, 268991), (255, 253168), (272, 237345), (340, 189876), (408, 158230), (510, 126584), (680, 94938), (816, 79115), (1020, 63292), (1360, 47469), (2040, 31646), (4080, 15823)]