80970660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 266063616

約数和(自身を除く): 185092956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 470, 510, 563, 564, 612, 705, 765, 799, 846, 940, 1020, 1126, 1410, 1530, 1598, 1689, 1692, 2115, 2252, 2397, 2815, 2820, 3060, 3196, 3378, 3995, 4230, 4794, 5067, 5630, 6756, 7191, 7990, 8445, 8460, 9571, 9588, 10134, 11260, 11985, 14382, 15980, 16890, 19142, 20268, 23970, 25335, 26461, 28713, 28764, 33780, 35955, 38284, 47855, 47940, 50670, 52922, 57426, 71910, 79383, 86139, 95710, 101340, 105844, 114852, 132305, 143565, 143820, 158766, 172278, 191420, 238149, 264610, 287130, 317532, 344556, 396915, 430695, 449837, 476298, 529220, 574260, 793830, 861390, 899674, 952596, 1190745, 1349511, 1587660, 1722780, 1799348, 2249185, 2381490, 2699022, 4048533, 4498370, 4762980, 5398044, 6747555, 8097066, 8996740, 13495110, 16194132, 20242665, 26990220, 40485330, 80970660]

約数ペア:

[(1, 80970660), (2, 40485330), (3, 26990220), (4, 20242665), (5, 16194132), (6, 13495110), (9, 8996740), (10, 8097066), (12, 6747555), (15, 5398044), (17, 4762980), (18, 4498370), (20, 4048533), (30, 2699022), (34, 2381490), (36, 2249185), (45, 1799348), (47, 1722780), (51, 1587660), (60, 1349511), (68, 1190745), (85, 952596), (90, 899674), (94, 861390), (102, 793830), (141, 574260), (153, 529220), (170, 476298), (180, 449837), (188, 430695), (204, 396915), (235, 344556), (255, 317532), (282, 287130), (306, 264610), (340, 238149), (423, 191420), (470, 172278), (510, 158766), (563, 143820), (564, 143565), (612, 132305), (705, 114852), (765, 105844), (799, 101340), (846, 95710), (940, 86139), (1020, 79383), (1126, 71910), (1410, 57426), (1530, 52922), (1598, 50670), (1689, 47940), (1692, 47855), (2115, 38284), (2252, 35955), (2397, 33780), (2815, 28764), (2820, 28713), (3060, 26461), (3196, 25335), (3378, 23970), (3995, 20268), (4230, 19142), (4794, 16890), (5067, 15980), (5630, 14382), (6756, 11985), (7191, 11260), (7990, 10134), (8445, 9588), (8460, 9571)]