260014720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 128

約数和(自身を含む): 717557760

約数和(自身を除く): 457543040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 457, 508, 560, 635, 640, 889, 896, 914, 1016, 1120, 1270, 1778, 1828, 2032, 2240, 2285, 2540, 3199, 3556, 3656, 4064, 4445, 4480, 4570, 5080, 6398, 7112, 7312, 8128, 8890, 9140, 10160, 12796, 14224, 14624, 15995, 16256, 17780, 18280, 20320, 25592, 28448, 29248, 31990, 35560, 36560, 40640, 51184, 56896, 58039, 58496, 63980, 71120, 73120, 81280, 102368, 113792, 116078, 127960, 142240, 146240, 204736, 232156, 255920, 284480, 290195, 292480, 406273, 409472, 464312, 511840, 568960, 580390, 812546, 928624, 1023680, 1160780, 1625092, 1857248, 2031365, 2047360, 2321560, 3250184, 3714496, 4062730, 4643120, 6500368, 7428992, 8125460, 9286240, 13000736, 16250920, 18572480, 26001472, 32501840, 37144960, 52002944, 65003680, 130007360, 260014720]

約数ペア:

[(1, 260014720), (2, 130007360), (4, 65003680), (5, 52002944), (7, 37144960), (8, 32501840), (10, 26001472), (14, 18572480), (16, 16250920), (20, 13000736), (28, 9286240), (32, 8125460), (35, 7428992), (40, 6500368), (56, 4643120), (64, 4062730), (70, 3714496), (80, 3250184), (112, 2321560), (127, 2047360), (128, 2031365), (140, 1857248), (160, 1625092), (224, 1160780), (254, 1023680), (280, 928624), (320, 812546), (448, 580390), (457, 568960), (508, 511840), (560, 464312), (635, 409472), (640, 406273), (889, 292480), (896, 290195), (914, 284480), (1016, 255920), (1120, 232156), (1270, 204736), (1778, 146240), (1828, 142240), (2032, 127960), (2240, 116078), (2285, 113792), (2540, 102368), (3199, 81280), (3556, 73120), (3656, 71120), (4064, 63980), (4445, 58496), (4480, 58039), (4570, 56896), (5080, 51184), (6398, 40640), (7112, 36560), (7312, 35560), (8128, 31990), (8890, 29248), (9140, 28448), (10160, 25592), (12796, 20320), (14224, 18280), (14624, 17780), (15995, 16256)]