80555860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 225283968

約数和(自身を除く): 144728108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 181, 187, 220, 238, 289, 308, 340, 362, 374, 385, 476, 578, 595, 724, 748, 770, 905, 935, 1156, 1190, 1267, 1309, 1445, 1540, 1810, 1870, 1991, 2023, 2380, 2534, 2618, 2890, 3077, 3179, 3620, 3740, 3982, 4046, 5068, 5236, 5780, 6154, 6335, 6358, 6545, 7964, 8092, 9955, 10115, 12308, 12670, 12716, 13090, 13937, 15385, 15895, 19910, 20230, 21539, 22253, 25340, 26180, 27874, 30770, 31790, 33847, 39820, 40460, 43078, 44506, 52309, 55748, 61540, 63580, 67694, 69685, 86156, 89012, 104618, 107695, 111265, 135388, 139370, 169235, 209236, 215390, 222530, 236929, 261545, 278740, 338470, 366163, 430780, 445060, 473858, 523090, 575399, 676940, 732326, 947716, 1046180, 1150798, 1184645, 1464652, 1830815, 2301596, 2369290, 2876995, 3661630, 4027793, 4738580, 5753990, 7323260, 8055586, 11507980, 16111172, 20138965, 40277930, 80555860]

約数ペア:

[(1, 80555860), (2, 40277930), (4, 20138965), (5, 16111172), (7, 11507980), (10, 8055586), (11, 7323260), (14, 5753990), (17, 4738580), (20, 4027793), (22, 3661630), (28, 2876995), (34, 2369290), (35, 2301596), (44, 1830815), (55, 1464652), (68, 1184645), (70, 1150798), (77, 1046180), (85, 947716), (110, 732326), (119, 676940), (140, 575399), (154, 523090), (170, 473858), (181, 445060), (187, 430780), (220, 366163), (238, 338470), (289, 278740), (308, 261545), (340, 236929), (362, 222530), (374, 215390), (385, 209236), (476, 169235), (578, 139370), (595, 135388), (724, 111265), (748, 107695), (770, 104618), (905, 89012), (935, 86156), (1156, 69685), (1190, 67694), (1267, 63580), (1309, 61540), (1445, 55748), (1540, 52309), (1810, 44506), (1870, 43078), (1991, 40460), (2023, 39820), (2380, 33847), (2534, 31790), (2618, 30770), (2890, 27874), (3077, 26180), (3179, 25340), (3620, 22253), (3740, 21539), (3982, 20230), (4046, 19910), (5068, 15895), (5236, 15385), (5780, 13937), (6154, 13090), (6335, 12716), (6358, 12670), (6545, 12308), (7964, 10115), (8092, 9955)]