12489900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 39997440

約数和(自身を除く): 27507540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 79, 85, 93, 100, 102, 124, 150, 155, 158, 170, 186, 204, 237, 255, 300, 310, 316, 340, 372, 395, 425, 465, 474, 510, 527, 620, 775, 790, 850, 930, 948, 1020, 1054, 1185, 1275, 1343, 1550, 1580, 1581, 1700, 1860, 1975, 2108, 2325, 2370, 2449, 2550, 2635, 2686, 3100, 3162, 3950, 4029, 4650, 4740, 4898, 5100, 5270, 5372, 5925, 6324, 6715, 7347, 7900, 7905, 8058, 9300, 9796, 10540, 11850, 12245, 13175, 13430, 14694, 15810, 16116, 20145, 23700, 24490, 26350, 26860, 29388, 31620, 33575, 36735, 39525, 40290, 41633, 48980, 52700, 61225, 67150, 73470, 79050, 80580, 83266, 100725, 122450, 124899, 134300, 146940, 158100, 166532, 183675, 201450, 208165, 244900, 249798, 367350, 402900, 416330, 499596, 624495, 734700, 832660, 1040825, 1248990, 2081650, 2497980, 3122475, 4163300, 6244950, 12489900]

約数ペア:

[(1, 12489900), (2, 6244950), (3, 4163300), (4, 3122475), (5, 2497980), (6, 2081650), (10, 1248990), (12, 1040825), (15, 832660), (17, 734700), (20, 624495), (25, 499596), (30, 416330), (31, 402900), (34, 367350), (50, 249798), (51, 244900), (60, 208165), (62, 201450), (68, 183675), (75, 166532), (79, 158100), (85, 146940), (93, 134300), (100, 124899), (102, 122450), (124, 100725), (150, 83266), (155, 80580), (158, 79050), (170, 73470), (186, 67150), (204, 61225), (237, 52700), (255, 48980), (300, 41633), (310, 40290), (316, 39525), (340, 36735), (372, 33575), (395, 31620), (425, 29388), (465, 26860), (474, 26350), (510, 24490), (527, 23700), (620, 20145), (775, 16116), (790, 15810), (850, 14694), (930, 13430), (948, 13175), (1020, 12245), (1054, 11850), (1185, 10540), (1275, 9796), (1343, 9300), (1550, 8058), (1580, 7905), (1581, 7900), (1700, 7347), (1860, 6715), (1975, 6324), (2108, 5925), (2325, 5372), (2370, 5270), (2449, 5100), (2550, 4898), (2635, 4740), (2686, 4650), (3100, 4029), (3162, 3950)]