261624870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3971

約数の個数: 128

約数和(自身を含む): 791078400

約数和(自身を除く): 529453530

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 494, 513, 570, 585, 702, 741, 855, 1026, 1170, 1235, 1482, 1710, 1755, 2223, 2470, 2565, 3510, 3705, 3923, 4446, 5130, 6669, 7410, 7846, 11115, 11769, 13338, 19615, 22230, 23538, 33345, 35307, 39230, 50999, 58845, 66690, 70614, 74537, 101998, 105921, 117690, 149074, 152997, 176535, 211842, 223611, 254995, 305994, 353070, 372685, 447222, 458991, 509990, 529605, 670833, 745370, 764985, 917982, 968981, 1059210, 1118055, 1341666, 1376973, 1529970, 1937962, 2012499, 2236110, 2294955, 2753946, 2906943, 3354165, 4024998, 4589910, 4844905, 5813886, 6708330, 6884865, 8720829, 9689810, 10062495, 13769730, 14534715, 17441658, 20124990, 26162487, 29069430, 43604145, 52324974, 87208290, 130812435, 261624870]

約数ペア:

[(1, 261624870), (2, 130812435), (3, 87208290), (5, 52324974), (6, 43604145), (9, 29069430), (10, 26162487), (13, 20124990), (15, 17441658), (18, 14534715), (19, 13769730), (26, 10062495), (27, 9689810), (30, 8720829), (38, 6884865), (39, 6708330), (45, 5813886), (54, 4844905), (57, 4589910), (65, 4024998), (78, 3354165), (90, 2906943), (95, 2753946), (114, 2294955), (117, 2236110), (130, 2012499), (135, 1937962), (171, 1529970), (190, 1376973), (195, 1341666), (234, 1118055), (247, 1059210), (270, 968981), (285, 917982), (342, 764985), (351, 745370), (390, 670833), (494, 529605), (513, 509990), (570, 458991), (585, 447222), (702, 372685), (741, 353070), (855, 305994), (1026, 254995), (1170, 223611), (1235, 211842), (1482, 176535), (1710, 152997), (1755, 149074), (2223, 117690), (2470, 105921), (2565, 101998), (3510, 74537), (3705, 70614), (3923, 66690), (4446, 58845), (5130, 50999), (6669, 39230), (7410, 35307), (7846, 33345), (11115, 23538), (11769, 22230), (13338, 19615)]