15001980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1595

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 35123844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1553, 1610, 1932, 2415, 3106, 3220, 4659, 4830, 6212, 7765, 9318, 9660, 10871, 15530, 18636, 21742, 23295, 31060, 32613, 35719, 43484, 46590, 54355, 65226, 71438, 93180, 107157, 108710, 130452, 142876, 163065, 178595, 214314, 217420, 250033, 326130, 357190, 428628, 500066, 535785, 652260, 714380, 750099, 1000132, 1071570, 1250165, 1500198, 2143140, 2500330, 3000396, 3750495, 5000660, 7500990, 15001980]

約数ペア:

[(1, 15001980), (2, 7500990), (3, 5000660), (4, 3750495), (5, 3000396), (6, 2500330), (7, 2143140), (10, 1500198), (12, 1250165), (14, 1071570), (15, 1000132), (20, 750099), (21, 714380), (23, 652260), (28, 535785), (30, 500066), (35, 428628), (42, 357190), (46, 326130), (60, 250033), (69, 217420), (70, 214314), (84, 178595), (92, 163065), (105, 142876), (115, 130452), (138, 108710), (140, 107157), (161, 93180), (210, 71438), (230, 65226), (276, 54355), (322, 46590), (345, 43484), (420, 35719), (460, 32613), (483, 31060), (644, 23295), (690, 21742), (805, 18636), (966, 15530), (1380, 10871), (1553, 9660), (1610, 9318), (1932, 7765), (2415, 6212), (3106, 4830), (3220, 4659)]