205535220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1303}}^1$

素因数の和:1565

約数の個数: 96

約数和(自身を含む): 630927360

約数和(自身を除く): 425392140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 239, 330, 478, 660, 717, 956, 1195, 1303, 1434, 2390, 2606, 2629, 2868, 3585, 3909, 4780, 5212, 5258, 6515, 7170, 7818, 7887, 10516, 13030, 13145, 14333, 14340, 15636, 15774, 19545, 26060, 26290, 28666, 31548, 39090, 39435, 42999, 52580, 57332, 71665, 78180, 78870, 85998, 143330, 157740, 171996, 214995, 286660, 311417, 429990, 622834, 859980, 934251, 1245668, 1557085, 1868502, 3114170, 3425587, 3737004, 4671255, 6228340, 6851174, 9342510, 10276761, 13702348, 17127935, 18685020, 20553522, 34255870, 41107044, 51383805, 68511740, 102767610, 205535220]

約数ペア:

[(1, 205535220), (2, 102767610), (3, 68511740), (4, 51383805), (5, 41107044), (6, 34255870), (10, 20553522), (11, 18685020), (12, 17127935), (15, 13702348), (20, 10276761), (22, 9342510), (30, 6851174), (33, 6228340), (44, 4671255), (55, 3737004), (60, 3425587), (66, 3114170), (110, 1868502), (132, 1557085), (165, 1245668), (220, 934251), (239, 859980), (330, 622834), (478, 429990), (660, 311417), (717, 286660), (956, 214995), (1195, 171996), (1303, 157740), (1434, 143330), (2390, 85998), (2606, 78870), (2629, 78180), (2868, 71665), (3585, 57332), (3909, 52580), (4780, 42999), (5212, 39435), (5258, 39090), (6515, 31548), (7170, 28666), (7818, 26290), (7887, 26060), (10516, 19545), (13030, 15774), (13145, 15636), (14333, 14340)]