80796540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 257402880

約数和(自身を除く): 176606340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 121, 124, 132, 155, 165, 186, 220, 242, 310, 330, 341, 359, 363, 372, 465, 484, 605, 620, 660, 682, 718, 726, 930, 1023, 1077, 1210, 1364, 1436, 1452, 1705, 1795, 1815, 1860, 2046, 2154, 2420, 3410, 3590, 3630, 3751, 3949, 4092, 4308, 5115, 5385, 6820, 7180, 7260, 7502, 7898, 10230, 10770, 11129, 11253, 11847, 15004, 15796, 18755, 19745, 20460, 21540, 22258, 22506, 23694, 33387, 37510, 39490, 43439, 44516, 45012, 47388, 55645, 56265, 59235, 66774, 75020, 78980, 86878, 111290, 112530, 118470, 122419, 130317, 133548, 166935, 173756, 217195, 222580, 225060, 236940, 244838, 260634, 333870, 367257, 434390, 489676, 521268, 612095, 651585, 667740, 734514, 868780, 1224190, 1303170, 1346609, 1469028, 1836285, 2448380, 2606340, 2693218, 3672570, 4039827, 5386436, 6733045, 7345140, 8079654, 13466090, 16159308, 20199135, 26932180, 40398270, 80796540]

約数ペア:

[(1, 80796540), (2, 40398270), (3, 26932180), (4, 20199135), (5, 16159308), (6, 13466090), (10, 8079654), (11, 7345140), (12, 6733045), (15, 5386436), (20, 4039827), (22, 3672570), (30, 2693218), (31, 2606340), (33, 2448380), (44, 1836285), (55, 1469028), (60, 1346609), (62, 1303170), (66, 1224190), (93, 868780), (110, 734514), (121, 667740), (124, 651585), (132, 612095), (155, 521268), (165, 489676), (186, 434390), (220, 367257), (242, 333870), (310, 260634), (330, 244838), (341, 236940), (359, 225060), (363, 222580), (372, 217195), (465, 173756), (484, 166935), (605, 133548), (620, 130317), (660, 122419), (682, 118470), (718, 112530), (726, 111290), (930, 86878), (1023, 78980), (1077, 75020), (1210, 66774), (1364, 59235), (1436, 56265), (1452, 55645), (1705, 47388), (1795, 45012), (1815, 44516), (1860, 43439), (2046, 39490), (2154, 37510), (2420, 33387), (3410, 23694), (3590, 22506), (3630, 22258), (3751, 21540), (3949, 20460), (4092, 19745), (4308, 18755), (5115, 15796), (5385, 15004), (6820, 11847), (7180, 11253), (7260, 11129), (7502, 10770), (7898, 10230)]