138885270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 369819648

約数和(自身を除く): 230934378

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 43, 46, 62, 69, 86, 93, 115, 129, 138, 151, 155, 186, 215, 230, 258, 302, 310, 345, 430, 453, 465, 645, 690, 713, 755, 906, 930, 989, 1290, 1333, 1426, 1510, 1978, 2139, 2265, 2666, 2967, 3473, 3565, 3999, 4278, 4530, 4681, 4945, 5934, 6493, 6665, 6946, 7130, 7998, 9362, 9890, 10419, 10695, 12986, 13330, 14043, 14835, 17365, 19479, 19995, 20838, 21390, 23405, 28086, 29670, 30659, 32465, 34730, 38958, 39990, 46810, 52095, 61318, 64930, 70215, 91977, 97395, 104190, 107663, 140430, 149339, 153295, 183954, 194790, 201283, 215326, 298678, 306590, 322989, 402566, 448017, 459885, 538315, 603849, 645978, 746695, 896034, 919770, 1006415, 1076630, 1207698, 1493390, 1614945, 2012830, 2240085, 3019245, 3229890, 4480170, 4629509, 6038490, 9259018, 13888527, 23147545, 27777054, 46295090, 69442635, 138885270]

約数ペア:

[(1, 138885270), (2, 69442635), (3, 46295090), (5, 27777054), (6, 23147545), (10, 13888527), (15, 9259018), (23, 6038490), (30, 4629509), (31, 4480170), (43, 3229890), (46, 3019245), (62, 2240085), (69, 2012830), (86, 1614945), (93, 1493390), (115, 1207698), (129, 1076630), (138, 1006415), (151, 919770), (155, 896034), (186, 746695), (215, 645978), (230, 603849), (258, 538315), (302, 459885), (310, 448017), (345, 402566), (430, 322989), (453, 306590), (465, 298678), (645, 215326), (690, 201283), (713, 194790), (755, 183954), (906, 153295), (930, 149339), (989, 140430), (1290, 107663), (1333, 104190), (1426, 97395), (1510, 91977), (1978, 70215), (2139, 64930), (2265, 61318), (2666, 52095), (2967, 46810), (3473, 39990), (3565, 38958), (3999, 34730), (4278, 32465), (4530, 30659), (4681, 29670), (4945, 28086), (5934, 23405), (6493, 21390), (6665, 20838), (6946, 19995), (7130, 19479), (7998, 17365), (9362, 14835), (9890, 14043), (10419, 13330), (10695, 12986)]