80777940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 235920384

約数和(自身を除く): 155142444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 137, 155, 186, 274, 310, 317, 372, 411, 465, 548, 620, 634, 685, 822, 930, 951, 1268, 1370, 1585, 1644, 1860, 1902, 2055, 2740, 3170, 3804, 4110, 4247, 4755, 6340, 8220, 8494, 9510, 9827, 12741, 16988, 19020, 19654, 21235, 25482, 29481, 39308, 42470, 43429, 49135, 50964, 58962, 63705, 84940, 86858, 98270, 117924, 127410, 130287, 147405, 173716, 196540, 217145, 254820, 260574, 294810, 434290, 521148, 589620, 651435, 868580, 1302870, 1346299, 2605740, 2692598, 4038897, 5385196, 6731495, 8077794, 13462990, 16155588, 20194485, 26925980, 40388970, 80777940]

約数ペア:

[(1, 80777940), (2, 40388970), (3, 26925980), (4, 20194485), (5, 16155588), (6, 13462990), (10, 8077794), (12, 6731495), (15, 5385196), (20, 4038897), (30, 2692598), (31, 2605740), (60, 1346299), (62, 1302870), (93, 868580), (124, 651435), (137, 589620), (155, 521148), (186, 434290), (274, 294810), (310, 260574), (317, 254820), (372, 217145), (411, 196540), (465, 173716), (548, 147405), (620, 130287), (634, 127410), (685, 117924), (822, 98270), (930, 86858), (951, 84940), (1268, 63705), (1370, 58962), (1585, 50964), (1644, 49135), (1860, 43429), (1902, 42470), (2055, 39308), (2740, 29481), (3170, 25482), (3804, 21235), (4110, 19654), (4247, 19020), (4755, 16988), (6340, 12741), (8220, 9827), (8494, 9510)]