128017500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 180

約数和(自身を含む): 408188088

約数和(自身を除く): 280170588

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, 125, 130, 150, 156, 169, 195, 202, 250, 260, 300, 303, 325, 338, 375, 390, 404, 500, 505, 507, 606, 625, 650, 676, 750, 780, 845, 975, 1010, 1014, 1212, 1250, 1300, 1313, 1500, 1515, 1625, 1690, 1875, 1950, 2020, 2028, 2500, 2525, 2535, 2626, 3030, 3250, 3380, 3750, 3900, 3939, 4225, 4875, 5050, 5070, 5252, 6060, 6500, 6565, 7500, 7575, 7878, 8125, 8450, 9750, 10100, 10140, 12625, 12675, 13130, 15150, 15756, 16250, 16900, 17069, 19500, 19695, 21125, 24375, 25250, 25350, 26260, 30300, 32500, 32825, 34138, 37875, 39390, 42250, 48750, 50500, 50700, 51207, 63125, 63375, 65650, 68276, 75750, 78780, 84500, 85345, 97500, 98475, 102414, 105625, 126250, 126750, 131300, 151500, 164125, 170690, 189375, 196950, 204828, 211250, 252500, 253500, 256035, 316875, 328250, 341380, 378750, 393900, 422500, 426725, 492375, 512070, 633750, 656500, 757500, 820625, 853450, 984750, 1024140, 1267500, 1280175, 1641250, 1706900, 1969500, 2133625, 2461875, 2560350, 3282500, 4267250, 4923750, 5120700, 6400875, 8534500, 9847500, 10668125, 12801750, 21336250, 25603500, 32004375, 42672500, 64008750, 128017500]

約数ペア:

[(1, 128017500), (2, 64008750), (3, 42672500), (4, 32004375), (5, 25603500), (6, 21336250), (10, 12801750), (12, 10668125), (13, 9847500), (15, 8534500), (20, 6400875), (25, 5120700), (26, 4923750), (30, 4267250), (39, 3282500), (50, 2560350), (52, 2461875), (60, 2133625), (65, 1969500), (75, 1706900), (78, 1641250), (100, 1280175), (101, 1267500), (125, 1024140), (130, 984750), (150, 853450), (156, 820625), (169, 757500), (195, 656500), (202, 633750), (250, 512070), (260, 492375), (300, 426725), (303, 422500), (325, 393900), (338, 378750), (375, 341380), (390, 328250), (404, 316875), (500, 256035), (505, 253500), (507, 252500), (606, 211250), (625, 204828), (650, 196950), (676, 189375), (750, 170690), (780, 164125), (845, 151500), (975, 131300), (1010, 126750), (1014, 126250), (1212, 105625), (1250, 102414), (1300, 98475), (1313, 97500), (1500, 85345), (1515, 84500), (1625, 78780), (1690, 75750), (1875, 68276), (1950, 65650), (2020, 63375), (2028, 63125), (2500, 51207), (2525, 50700), (2535, 50500), (2626, 48750), (3030, 42250), (3250, 39390), (3380, 37875), (3750, 34138), (3900, 32825), (3939, 32500), (4225, 30300), (4875, 26260), (5050, 25350), (5070, 25250), (5252, 24375), (6060, 21125), (6500, 19695), (6565, 19500), (7500, 17069), (7575, 16900), (7878, 16250), (8125, 15756), (8450, 15150), (9750, 13130), (10100, 12675), (10140, 12625)]