128434890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70183}}^1$

素因数の和:70254

約数の個数: 32

約数和(自身を含む): 313301376

約数和(自身を除く): 184866486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 70183, 140366, 210549, 350915, 421098, 701830, 1052745, 2105490, 4281163, 8562326, 12843489, 21405815, 25686978, 42811630, 64217445, 128434890]

約数ペア:

[(1, 128434890), (2, 64217445), (3, 42811630), (5, 25686978), (6, 21405815), (10, 12843489), (15, 8562326), (30, 4281163), (61, 2105490), (122, 1052745), (183, 701830), (305, 421098), (366, 350915), (610, 210549), (915, 140366), (1830, 70183)]