16571260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 38372544

約数和(自身を除く): 21801284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 61, 68, 85, 94, 122, 170, 188, 235, 244, 289, 305, 340, 470, 578, 610, 799, 940, 1037, 1156, 1220, 1445, 1598, 2074, 2867, 2890, 3196, 3995, 4148, 5185, 5734, 5780, 7990, 10370, 11468, 13583, 14335, 15980, 17629, 20740, 27166, 28670, 35258, 48739, 54332, 57340, 67915, 70516, 88145, 97478, 135830, 176290, 194956, 243695, 271660, 352580, 487390, 828563, 974780, 1657126, 3314252, 4142815, 8285630, 16571260]

約数ペア:

[(1, 16571260), (2, 8285630), (4, 4142815), (5, 3314252), (10, 1657126), (17, 974780), (20, 828563), (34, 487390), (47, 352580), (61, 271660), (68, 243695), (85, 194956), (94, 176290), (122, 135830), (170, 97478), (188, 88145), (235, 70516), (244, 67915), (289, 57340), (305, 54332), (340, 48739), (470, 35258), (578, 28670), (610, 27166), (799, 20740), (940, 17629), (1037, 15980), (1156, 14335), (1220, 13583), (1445, 11468), (1598, 10370), (2074, 7990), (2867, 5780), (2890, 5734), (3196, 5185), (3995, 4148)]