4460220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 13759200

約数和(自身を除く): 9298980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 349, 355, 426, 639, 698, 710, 852, 1047, 1065, 1278, 1396, 1420, 1745, 2094, 2130, 2556, 3141, 3195, 3490, 4188, 4260, 5235, 6282, 6390, 6980, 10470, 12564, 12780, 15705, 20940, 24779, 31410, 49558, 62820, 74337, 99116, 123895, 148674, 223011, 247790, 297348, 371685, 446022, 495580, 743370, 892044, 1115055, 1486740, 2230110, 4460220]

約数ペア:

[(1, 4460220), (2, 2230110), (3, 1486740), (4, 1115055), (5, 892044), (6, 743370), (9, 495580), (10, 446022), (12, 371685), (15, 297348), (18, 247790), (20, 223011), (30, 148674), (36, 123895), (45, 99116), (60, 74337), (71, 62820), (90, 49558), (142, 31410), (180, 24779), (213, 20940), (284, 15705), (349, 12780), (355, 12564), (426, 10470), (639, 6980), (698, 6390), (710, 6282), (852, 5235), (1047, 4260), (1065, 4188), (1278, 3490), (1396, 3195), (1420, 3141), (1745, 2556), (2094, 2130)]