81121230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13063}}^1$

素因数の和:13102

約数の個数: 64

約数和(自身を含む): 225745920

約数和(自身を除く): 144624690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 13063, 26126, 39189, 65315, 78378, 117567, 130630, 195945, 235134, 300449, 352701, 391890, 587835, 600898, 705402, 901347, 1175670, 1502245, 1763505, 1802694, 2704041, 3004490, 3527010, 4506735, 5408082, 8112123, 9013470, 13520205, 16224246, 27040410, 40560615, 81121230]

約数ペア:

[(1, 81121230), (2, 40560615), (3, 27040410), (5, 16224246), (6, 13520205), (9, 9013470), (10, 8112123), (15, 5408082), (18, 4506735), (23, 3527010), (27, 3004490), (30, 2704041), (45, 1802694), (46, 1763505), (54, 1502245), (69, 1175670), (90, 901347), (115, 705402), (135, 600898), (138, 587835), (207, 391890), (230, 352701), (270, 300449), (345, 235134), (414, 195945), (621, 130630), (690, 117567), (1035, 78378), (1242, 65315), (2070, 39189), (3105, 26126), (6210, 13063)]