2405642680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{3851}}^1$

素因数の和:3989

約数の個数: 128

約数和(自身を含む): 6523130880

約数和(自身を除く): 4117488200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 97, 115, 140, 161, 184, 194, 230, 280, 322, 388, 460, 485, 644, 679, 776, 805, 920, 970, 1288, 1358, 1610, 1940, 2231, 2716, 3220, 3395, 3851, 3880, 4462, 5432, 6440, 6790, 7702, 8924, 11155, 13580, 15404, 15617, 17848, 19255, 22310, 26957, 27160, 30808, 31234, 38510, 44620, 53914, 62468, 77020, 78085, 88573, 89240, 107828, 124936, 134785, 154040, 156170, 177146, 215656, 269570, 312340, 354292, 373547, 442865, 539140, 620011, 624680, 708584, 747094, 885730, 1078280, 1240022, 1494188, 1771460, 1867735, 2480044, 2614829, 2988376, 3100055, 3542920, 3735470, 4960088, 5229658, 6200110, 7470940, 8591581, 10459316, 12400220, 13074145, 14941880, 17183162, 20918632, 24800440, 26148290, 34366324, 42957905, 52296580, 60141067, 68732648, 85915810, 104593160, 120282134, 171831620, 240564268, 300705335, 343663240, 481128536, 601410670, 1202821340, 2405642680]

約数ペア:

[(1, 2405642680), (2, 1202821340), (4, 601410670), (5, 481128536), (7, 343663240), (8, 300705335), (10, 240564268), (14, 171831620), (20, 120282134), (23, 104593160), (28, 85915810), (35, 68732648), (40, 60141067), (46, 52296580), (56, 42957905), (70, 34366324), (92, 26148290), (97, 24800440), (115, 20918632), (140, 17183162), (161, 14941880), (184, 13074145), (194, 12400220), (230, 10459316), (280, 8591581), (322, 7470940), (388, 6200110), (460, 5229658), (485, 4960088), (644, 3735470), (679, 3542920), (776, 3100055), (805, 2988376), (920, 2614829), (970, 2480044), (1288, 1867735), (1358, 1771460), (1610, 1494188), (1940, 1240022), (2231, 1078280), (2716, 885730), (3220, 747094), (3395, 708584), (3851, 624680), (3880, 620011), (4462, 539140), (5432, 442865), (6440, 373547), (6790, 354292), (7702, 312340), (8924, 269570), (11155, 215656), (13580, 177146), (15404, 156170), (15617, 154040), (17848, 134785), (19255, 124936), (22310, 107828), (26957, 89240), (27160, 88573), (30808, 78085), (31234, 77020), (38510, 62468), (44620, 53914)]