15720900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 51038400

約数和(自身を除く): 35317500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 130, 139, 145, 150, 156, 174, 195, 260, 278, 290, 300, 325, 348, 377, 390, 417, 435, 556, 580, 650, 695, 725, 754, 780, 834, 870, 975, 1131, 1300, 1390, 1450, 1508, 1668, 1740, 1807, 1885, 1950, 2085, 2175, 2262, 2780, 2900, 3475, 3614, 3770, 3900, 4031, 4170, 4350, 4524, 5421, 5655, 6950, 7228, 7540, 8062, 8340, 8700, 9035, 9425, 10425, 10842, 11310, 12093, 13900, 16124, 18070, 18850, 20155, 20850, 21684, 22620, 24186, 27105, 28275, 36140, 37700, 40310, 41700, 45175, 48372, 52403, 54210, 56550, 60465, 80620, 90350, 100775, 104806, 108420, 113100, 120930, 135525, 157209, 180700, 201550, 209612, 241860, 262015, 271050, 302325, 314418, 403100, 524030, 542100, 604650, 628836, 786045, 1048060, 1209300, 1310075, 1572090, 2620150, 3144180, 3930225, 5240300, 7860450, 15720900]

約数ペア:

[(1, 15720900), (2, 7860450), (3, 5240300), (4, 3930225), (5, 3144180), (6, 2620150), (10, 1572090), (12, 1310075), (13, 1209300), (15, 1048060), (20, 786045), (25, 628836), (26, 604650), (29, 542100), (30, 524030), (39, 403100), (50, 314418), (52, 302325), (58, 271050), (60, 262015), (65, 241860), (75, 209612), (78, 201550), (87, 180700), (100, 157209), (116, 135525), (130, 120930), (139, 113100), (145, 108420), (150, 104806), (156, 100775), (174, 90350), (195, 80620), (260, 60465), (278, 56550), (290, 54210), (300, 52403), (325, 48372), (348, 45175), (377, 41700), (390, 40310), (417, 37700), (435, 36140), (556, 28275), (580, 27105), (650, 24186), (695, 22620), (725, 21684), (754, 20850), (780, 20155), (834, 18850), (870, 18070), (975, 16124), (1131, 13900), (1300, 12093), (1390, 11310), (1450, 10842), (1508, 10425), (1668, 9425), (1740, 9035), (1807, 8700), (1885, 8340), (1950, 8062), (2085, 7540), (2175, 7228), (2262, 6950), (2780, 5655), (2900, 5421), (3475, 4524), (3614, 4350), (3770, 4170), (3900, 4031)]