16815870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 45622080

約数和(自身を除く): 28806210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1021, 1098, 1647, 1830, 2042, 2745, 3063, 3294, 5105, 5490, 6126, 8235, 9189, 10210, 15315, 16470, 18378, 27567, 30630, 45945, 55134, 62281, 91890, 124562, 137835, 186843, 275670, 311405, 373686, 560529, 622810, 934215, 1121058, 1681587, 1868430, 2802645, 3363174, 5605290, 8407935, 16815870]

約数ペア:

[(1, 16815870), (2, 8407935), (3, 5605290), (5, 3363174), (6, 2802645), (9, 1868430), (10, 1681587), (15, 1121058), (18, 934215), (27, 622810), (30, 560529), (45, 373686), (54, 311405), (61, 275670), (90, 186843), (122, 137835), (135, 124562), (183, 91890), (270, 62281), (305, 55134), (366, 45945), (549, 30630), (610, 27567), (915, 18378), (1021, 16470), (1098, 15315), (1647, 10210), (1830, 9189), (2042, 8235), (2745, 6126), (3063, 5490), (3294, 5105)]