415904680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 1032192000

約数和(自身を除く): 616287320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 127, 139, 152, 155, 190, 248, 254, 278, 310, 380, 508, 556, 589, 620, 635, 695, 760, 1016, 1112, 1178, 1240, 1270, 1390, 2356, 2413, 2540, 2641, 2780, 2945, 3937, 4309, 4712, 4826, 5080, 5282, 5560, 5890, 7874, 8618, 9652, 10564, 11780, 12065, 13205, 15748, 17236, 17653, 19304, 19685, 21128, 21545, 23560, 24130, 26410, 31496, 34472, 35306, 39370, 43090, 48260, 52820, 70612, 74803, 78740, 81871, 86180, 88265, 96520, 105640, 141224, 149606, 157480, 163742, 172360, 176530, 299212, 327484, 335407, 353060, 374015, 409355, 547243, 598424, 654968, 670814, 706120, 748030, 818710, 1094486, 1341628, 1496060, 1637420, 1677035, 2188972, 2683256, 2736215, 2992120, 3274840, 3354070, 4377944, 5472430, 6708140, 10397617, 10944860, 13416280, 20795234, 21889720, 41590468, 51988085, 83180936, 103976170, 207952340, 415904680]

約数ペア:

[(1, 415904680), (2, 207952340), (4, 103976170), (5, 83180936), (8, 51988085), (10, 41590468), (19, 21889720), (20, 20795234), (31, 13416280), (38, 10944860), (40, 10397617), (62, 6708140), (76, 5472430), (95, 4377944), (124, 3354070), (127, 3274840), (139, 2992120), (152, 2736215), (155, 2683256), (190, 2188972), (248, 1677035), (254, 1637420), (278, 1496060), (310, 1341628), (380, 1094486), (508, 818710), (556, 748030), (589, 706120), (620, 670814), (635, 654968), (695, 598424), (760, 547243), (1016, 409355), (1112, 374015), (1178, 353060), (1240, 335407), (1270, 327484), (1390, 299212), (2356, 176530), (2413, 172360), (2540, 163742), (2641, 157480), (2780, 149606), (2945, 141224), (3937, 105640), (4309, 96520), (4712, 88265), (4826, 86180), (5080, 81871), (5282, 78740), (5560, 74803), (5890, 70612), (7874, 52820), (8618, 48260), (9652, 43090), (10564, 39370), (11780, 35306), (12065, 34472), (13205, 31496), (15748, 26410), (17236, 24130), (17653, 23560), (19304, 21545), (19685, 21128)]