81911550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 233985024

約数和(自身を除く): 152073474

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 181, 210, 350, 362, 431, 525, 543, 862, 905, 1050, 1086, 1267, 1293, 1810, 2155, 2534, 2586, 2715, 3017, 3801, 4310, 4525, 5430, 6034, 6335, 6465, 7602, 9050, 9051, 10775, 12670, 12930, 13575, 15085, 18102, 19005, 21550, 27150, 30170, 31675, 32325, 38010, 45255, 63350, 64650, 75425, 78011, 90510, 95025, 150850, 156022, 190050, 226275, 234033, 390055, 452550, 468066, 546077, 780110, 1092154, 1170165, 1638231, 1950275, 2340330, 2730385, 3276462, 3900550, 5460770, 5850825, 8191155, 11701650, 13651925, 16382310, 27303850, 40955775, 81911550]

約数ペア:

[(1, 81911550), (2, 40955775), (3, 27303850), (5, 16382310), (6, 13651925), (7, 11701650), (10, 8191155), (14, 5850825), (15, 5460770), (21, 3900550), (25, 3276462), (30, 2730385), (35, 2340330), (42, 1950275), (50, 1638231), (70, 1170165), (75, 1092154), (105, 780110), (150, 546077), (175, 468066), (181, 452550), (210, 390055), (350, 234033), (362, 226275), (431, 190050), (525, 156022), (543, 150850), (862, 95025), (905, 90510), (1050, 78011), (1086, 75425), (1267, 64650), (1293, 63350), (1810, 45255), (2155, 38010), (2534, 32325), (2586, 31675), (2715, 30170), (3017, 27150), (3801, 21550), (4310, 19005), (4525, 18102), (5430, 15085), (6034, 13575), (6335, 12930), (6465, 12670), (7602, 10775), (9050, 9051)]