28213740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3879

約数の個数: 72

約数和(自身を含む): 87691968

約数和(自身を除く): 59478228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 3823, 7380, 7646, 11469, 15292, 19115, 22938, 34407, 38230, 45876, 57345, 68814, 76460, 114690, 137628, 156743, 172035, 229380, 313486, 344070, 470229, 626972, 688140, 783715, 940458, 1410687, 1567430, 1880916, 2351145, 2821374, 3134860, 4702290, 5642748, 7053435, 9404580, 14106870, 28213740]

約数ペア:

[(1, 28213740), (2, 14106870), (3, 9404580), (4, 7053435), (5, 5642748), (6, 4702290), (9, 3134860), (10, 2821374), (12, 2351145), (15, 1880916), (18, 1567430), (20, 1410687), (30, 940458), (36, 783715), (41, 688140), (45, 626972), (60, 470229), (82, 344070), (90, 313486), (123, 229380), (164, 172035), (180, 156743), (205, 137628), (246, 114690), (369, 76460), (410, 68814), (492, 57345), (615, 45876), (738, 38230), (820, 34407), (1230, 22938), (1476, 19115), (1845, 15292), (2460, 11469), (3690, 7646), (3823, 7380)]