72124020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{211}}^2$

素因数の和:443

約数の個数: 90

約数和(自身を含む): 227333106

約数和(自身を除く): 155209086

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 211, 270, 324, 405, 422, 540, 633, 810, 844, 1055, 1266, 1620, 1899, 2110, 2532, 3165, 3798, 4220, 5697, 6330, 7596, 9495, 11394, 12660, 17091, 18990, 22788, 28485, 34182, 37980, 44521, 56970, 68364, 85455, 89042, 113940, 133563, 170910, 178084, 222605, 267126, 341820, 400689, 445210, 534252, 667815, 801378, 890420, 1202067, 1335630, 1602756, 2003445, 2404134, 2671260, 3606201, 4006890, 4808268, 6010335, 7212402, 8013780, 12020670, 14424804, 18031005, 24041340, 36062010, 72124020]

約数ペア:

[(1, 72124020), (2, 36062010), (3, 24041340), (4, 18031005), (5, 14424804), (6, 12020670), (9, 8013780), (10, 7212402), (12, 6010335), (15, 4808268), (18, 4006890), (20, 3606201), (27, 2671260), (30, 2404134), (36, 2003445), (45, 1602756), (54, 1335630), (60, 1202067), (81, 890420), (90, 801378), (108, 667815), (135, 534252), (162, 445210), (180, 400689), (211, 341820), (270, 267126), (324, 222605), (405, 178084), (422, 170910), (540, 133563), (633, 113940), (810, 89042), (844, 85455), (1055, 68364), (1266, 56970), (1620, 44521), (1899, 37980), (2110, 34182), (2532, 28485), (3165, 22788), (3798, 18990), (4220, 17091), (5697, 12660), (6330, 11394), (7596, 9495)]