28809540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 96

約数和(自身を含む): 92574720

約数和(自身を除く): 63765180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1721, 1860, 2790, 3348, 3442, 4185, 5163, 5580, 6884, 8370, 8605, 10326, 15489, 16740, 17210, 20652, 25815, 30978, 34420, 46467, 51630, 53351, 61956, 77445, 92934, 103260, 106702, 154890, 160053, 185868, 213404, 232335, 266755, 309780, 320106, 464670, 480159, 533510, 640212, 800265, 929340, 960318, 1067020, 1440477, 1600530, 1920636, 2400795, 2880954, 3201060, 4801590, 5761908, 7202385, 9603180, 14404770, 28809540]

約数ペア:

[(1, 28809540), (2, 14404770), (3, 9603180), (4, 7202385), (5, 5761908), (6, 4801590), (9, 3201060), (10, 2880954), (12, 2400795), (15, 1920636), (18, 1600530), (20, 1440477), (27, 1067020), (30, 960318), (31, 929340), (36, 800265), (45, 640212), (54, 533510), (60, 480159), (62, 464670), (90, 320106), (93, 309780), (108, 266755), (124, 232335), (135, 213404), (155, 185868), (180, 160053), (186, 154890), (270, 106702), (279, 103260), (310, 92934), (372, 77445), (465, 61956), (540, 53351), (558, 51630), (620, 46467), (837, 34420), (930, 30978), (1116, 25815), (1395, 20652), (1674, 17210), (1721, 16740), (1860, 15489), (2790, 10326), (3348, 8605), (3442, 8370), (4185, 6884), (5163, 5580)]