1618448620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3671

約数の個数: 96

約数和(自身を含む): 3802208256

約数和(自身を除く): 2183759636

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 43, 62, 68, 85, 86, 124, 155, 170, 172, 215, 310, 340, 430, 527, 620, 731, 860, 1054, 1333, 1462, 2108, 2635, 2666, 2924, 3571, 3655, 5270, 5332, 6665, 7142, 7310, 10540, 13330, 14284, 14620, 17855, 22661, 26660, 35710, 45322, 60707, 71420, 90644, 110701, 113305, 121414, 153553, 221402, 226610, 242828, 303535, 307106, 442804, 453220, 553505, 607070, 614212, 767765, 1107010, 1214140, 1535530, 1881917, 2214020, 2610401, 3071060, 3763834, 4760143, 5220802, 7527668, 9409585, 9520286, 10441604, 13052005, 18819170, 19040572, 23800715, 26104010, 37638340, 47601430, 52208020, 80922431, 95202860, 161844862, 323689724, 404612155, 809224310, 1618448620]

約数ペア:

[(1, 1618448620), (2, 809224310), (4, 404612155), (5, 323689724), (10, 161844862), (17, 95202860), (20, 80922431), (31, 52208020), (34, 47601430), (43, 37638340), (62, 26104010), (68, 23800715), (85, 19040572), (86, 18819170), (124, 13052005), (155, 10441604), (170, 9520286), (172, 9409585), (215, 7527668), (310, 5220802), (340, 4760143), (430, 3763834), (527, 3071060), (620, 2610401), (731, 2214020), (860, 1881917), (1054, 1535530), (1333, 1214140), (1462, 1107010), (2108, 767765), (2635, 614212), (2666, 607070), (2924, 553505), (3571, 453220), (3655, 442804), (5270, 307106), (5332, 303535), (6665, 242828), (7142, 226610), (7310, 221402), (10540, 153553), (13330, 121414), (14284, 113305), (14620, 110701), (17855, 90644), (22661, 71420), (26660, 60707), (35710, 45322)]