80927980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 207728640

約数和(自身を除く): 126800660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 290, 310, 406, 434, 580, 620, 643, 812, 868, 899, 1015, 1085, 1286, 1798, 2030, 2170, 2572, 3215, 3596, 4060, 4340, 4495, 4501, 6293, 6430, 8990, 9002, 12586, 12860, 17980, 18004, 18647, 19933, 22505, 25172, 31465, 37294, 39866, 45010, 62930, 74588, 79732, 90020, 93235, 99665, 125860, 130529, 139531, 186470, 199330, 261058, 279062, 372940, 398660, 522116, 558124, 578057, 652645, 697655, 1156114, 1305290, 1395310, 2312228, 2610580, 2790620, 2890285, 4046399, 5780570, 8092798, 11561140, 16185596, 20231995, 40463990, 80927980]

約数ペア:

[(1, 80927980), (2, 40463990), (4, 20231995), (5, 16185596), (7, 11561140), (10, 8092798), (14, 5780570), (20, 4046399), (28, 2890285), (29, 2790620), (31, 2610580), (35, 2312228), (58, 1395310), (62, 1305290), (70, 1156114), (116, 697655), (124, 652645), (140, 578057), (145, 558124), (155, 522116), (203, 398660), (217, 372940), (290, 279062), (310, 261058), (406, 199330), (434, 186470), (580, 139531), (620, 130529), (643, 125860), (812, 99665), (868, 93235), (899, 90020), (1015, 79732), (1085, 74588), (1286, 62930), (1798, 45010), (2030, 39866), (2170, 37294), (2572, 31465), (3215, 25172), (3596, 22505), (4060, 19933), (4340, 18647), (4495, 18004), (4501, 17980), (6293, 12860), (6430, 12586), (8990, 9002)]