64205700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 203278656

約数和(自身を除く): 139072956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 101, 130, 150, 156, 163, 195, 202, 260, 300, 303, 325, 326, 390, 404, 489, 505, 606, 650, 652, 780, 815, 975, 978, 1010, 1212, 1300, 1313, 1515, 1630, 1950, 1956, 2020, 2119, 2445, 2525, 2626, 3030, 3260, 3900, 3939, 4075, 4238, 4890, 5050, 5252, 6060, 6357, 6565, 7575, 7878, 8150, 8476, 9780, 10100, 10595, 12225, 12714, 13130, 15150, 15756, 16300, 16463, 19695, 21190, 24450, 25428, 26260, 30300, 31785, 32825, 32926, 39390, 42380, 48900, 49389, 52975, 63570, 65650, 65852, 78780, 82315, 98475, 98778, 105950, 127140, 131300, 158925, 164630, 196950, 197556, 211900, 214019, 246945, 317850, 329260, 393900, 411575, 428038, 493890, 635700, 642057, 823150, 856076, 987780, 1070095, 1234725, 1284114, 1646300, 2140190, 2469450, 2568228, 3210285, 4280380, 4938900, 5350475, 6420570, 10700950, 12841140, 16051425, 21401900, 32102850, 64205700]

約数ペア:

[(1, 64205700), (2, 32102850), (3, 21401900), (4, 16051425), (5, 12841140), (6, 10700950), (10, 6420570), (12, 5350475), (13, 4938900), (15, 4280380), (20, 3210285), (25, 2568228), (26, 2469450), (30, 2140190), (39, 1646300), (50, 1284114), (52, 1234725), (60, 1070095), (65, 987780), (75, 856076), (78, 823150), (100, 642057), (101, 635700), (130, 493890), (150, 428038), (156, 411575), (163, 393900), (195, 329260), (202, 317850), (260, 246945), (300, 214019), (303, 211900), (325, 197556), (326, 196950), (390, 164630), (404, 158925), (489, 131300), (505, 127140), (606, 105950), (650, 98778), (652, 98475), (780, 82315), (815, 78780), (975, 65852), (978, 65650), (1010, 63570), (1212, 52975), (1300, 49389), (1313, 48900), (1515, 42380), (1630, 39390), (1950, 32926), (1956, 32825), (2020, 31785), (2119, 30300), (2445, 26260), (2525, 25428), (2626, 24450), (3030, 21190), (3260, 19695), (3900, 16463), (3939, 16300), (4075, 15756), (4238, 15150), (4890, 13130), (5050, 12714), (5252, 12225), (6060, 10595), (6357, 10100), (6565, 9780), (7575, 8476), (7878, 8150)]