81430510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1669}}^1$

素因数の和:1741

約数の個数: 64

約数和(自身を含む): 181802880

約数和(自身を除く): 100372370

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 82, 85, 119, 170, 205, 238, 287, 410, 574, 595, 697, 1190, 1394, 1435, 1669, 2870, 3338, 3485, 4879, 6970, 8345, 9758, 11683, 16690, 23366, 24395, 28373, 48790, 56746, 58415, 68429, 116830, 136858, 141865, 198611, 283730, 342145, 397222, 479003, 684290, 958006, 993055, 1163293, 1986110, 2326586, 2395015, 4790030, 5816465, 8143051, 11632930, 16286102, 40715255, 81430510]

約数ペア:

[(1, 81430510), (2, 40715255), (5, 16286102), (7, 11632930), (10, 8143051), (14, 5816465), (17, 4790030), (34, 2395015), (35, 2326586), (41, 1986110), (70, 1163293), (82, 993055), (85, 958006), (119, 684290), (170, 479003), (205, 397222), (238, 342145), (287, 283730), (410, 198611), (574, 141865), (595, 136858), (697, 116830), (1190, 68429), (1394, 58415), (1435, 56746), (1669, 48790), (2870, 28373), (3338, 24395), (3485, 23366), (4879, 16690), (6970, 11683), (8345, 9758)]