621959220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19973}}^1$

素因数の和:20161

約数の個数: 72

約数和(自身を含む): 1897609896

約数和(自身を除く): 1275650676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 10380, 15570, 19973, 31140, 39946, 59919, 79892, 99865, 119838, 179757, 199730, 239676, 299595, 359514, 399460, 599190, 719028, 898785, 1198380, 1797570, 3455329, 3595140, 6910658, 10365987, 13821316, 17276645, 20731974, 31097961, 34553290, 41463948, 51829935, 62195922, 69106580, 103659870, 124391844, 155489805, 207319740, 310979610, 621959220]

約数ペア:

[(1, 621959220), (2, 310979610), (3, 207319740), (4, 155489805), (5, 124391844), (6, 103659870), (9, 69106580), (10, 62195922), (12, 51829935), (15, 41463948), (18, 34553290), (20, 31097961), (30, 20731974), (36, 17276645), (45, 13821316), (60, 10365987), (90, 6910658), (173, 3595140), (180, 3455329), (346, 1797570), (519, 1198380), (692, 898785), (865, 719028), (1038, 599190), (1557, 399460), (1730, 359514), (2076, 299595), (2595, 239676), (3114, 199730), (3460, 179757), (5190, 119838), (6228, 99865), (7785, 79892), (10380, 59919), (15570, 39946), (19973, 31140)]