231438870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:772

約数の個数: 160

約数和(自身を含む): 692778240

約数和(自身を除く): 461339370

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 81, 90, 93, 117, 130, 135, 155, 162, 186, 195, 234, 270, 279, 310, 351, 390, 403, 405, 465, 558, 585, 702, 709, 806, 810, 837, 930, 1053, 1170, 1209, 1395, 1418, 1674, 1755, 2015, 2106, 2127, 2418, 2511, 2790, 3510, 3545, 3627, 4030, 4185, 4254, 5022, 5265, 6045, 6381, 7090, 7254, 8370, 9217, 10530, 10635, 10881, 12090, 12555, 12762, 18135, 18434, 19143, 21270, 21762, 21979, 25110, 27651, 31905, 32643, 36270, 38286, 43958, 46085, 54405, 55302, 57429, 63810, 65286, 65937, 82953, 92170, 95715, 108810, 109895, 114858, 131874, 138255, 163215, 165906, 191430, 197811, 219790, 248859, 276510, 285727, 287145, 326430, 329685, 395622, 414765, 497718, 571454, 574290, 593433, 659370, 746577, 829530, 857181, 989055, 1186866, 1244295, 1428635, 1493154, 1714362, 1780299, 1978110, 2488590, 2571543, 2857270, 2967165, 3560598, 3732885, 4285905, 5143086, 5934330, 7465770, 7714629, 8571810, 8901495, 12857715, 15429258, 17802990, 23143887, 25715430, 38573145, 46287774, 77146290, 115719435, 231438870]

約数ペア:

[(1, 231438870), (2, 115719435), (3, 77146290), (5, 46287774), (6, 38573145), (9, 25715430), (10, 23143887), (13, 17802990), (15, 15429258), (18, 12857715), (26, 8901495), (27, 8571810), (30, 7714629), (31, 7465770), (39, 5934330), (45, 5143086), (54, 4285905), (62, 3732885), (65, 3560598), (78, 2967165), (81, 2857270), (90, 2571543), (93, 2488590), (117, 1978110), (130, 1780299), (135, 1714362), (155, 1493154), (162, 1428635), (186, 1244295), (195, 1186866), (234, 989055), (270, 857181), (279, 829530), (310, 746577), (351, 659370), (390, 593433), (403, 574290), (405, 571454), (465, 497718), (558, 414765), (585, 395622), (702, 329685), (709, 326430), (806, 287145), (810, 285727), (837, 276510), (930, 248859), (1053, 219790), (1170, 197811), (1209, 191430), (1395, 165906), (1418, 163215), (1674, 138255), (1755, 131874), (2015, 114858), (2106, 109895), (2127, 108810), (2418, 95715), (2511, 92170), (2790, 82953), (3510, 65937), (3545, 65286), (3627, 63810), (4030, 57429), (4185, 55302), (4254, 54405), (5022, 46085), (5265, 43958), (6045, 38286), (6381, 36270), (7090, 32643), (7254, 31905), (8370, 27651), (9217, 25110), (10530, 21979), (10635, 21762), (10881, 21270), (12090, 19143), (12555, 18434), (12762, 18135)]