28153260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{683}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 85896720

約数和(自身を除く): 57743460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 683, 687, 916, 1145, 1366, 1374, 2049, 2061, 2290, 2732, 2748, 3415, 3435, 4098, 4122, 4580, 6147, 6830, 6870, 8196, 8244, 10245, 10305, 12294, 13660, 13740, 20490, 20610, 24588, 30735, 40980, 41220, 61470, 122940, 156407, 312814, 469221, 625628, 782035, 938442, 1407663, 1564070, 1876884, 2346105, 2815326, 3128140, 4692210, 5630652, 7038315, 9384420, 14076630, 28153260]

約数ペア:

[(1, 28153260), (2, 14076630), (3, 9384420), (4, 7038315), (5, 5630652), (6, 4692210), (9, 3128140), (10, 2815326), (12, 2346105), (15, 1876884), (18, 1564070), (20, 1407663), (30, 938442), (36, 782035), (45, 625628), (60, 469221), (90, 312814), (180, 156407), (229, 122940), (458, 61470), (683, 41220), (687, 40980), (916, 30735), (1145, 24588), (1366, 20610), (1374, 20490), (2049, 13740), (2061, 13660), (2290, 12294), (2732, 10305), (2748, 10245), (3415, 8244), (3435, 8196), (4098, 6870), (4122, 6830), (4580, 6147)]