718460120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1013}}^1$

素因数の和:1197

約数の個数: 128

約数和(自身を含む): 1971216000

約数和(自身を除く): 1252755880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 149, 170, 238, 280, 298, 340, 476, 595, 596, 680, 745, 952, 1013, 1043, 1190, 1192, 1490, 2026, 2086, 2380, 2533, 2980, 4052, 4172, 4760, 5065, 5066, 5215, 5960, 7091, 8104, 8344, 10130, 10132, 10430, 12665, 14182, 17221, 17731, 20260, 20264, 20860, 25330, 28364, 34442, 35455, 35462, 40520, 41720, 50660, 56728, 68884, 70910, 70924, 86105, 88655, 101320, 120547, 137768, 141820, 141848, 150937, 172210, 177310, 241094, 283640, 301874, 344420, 354620, 482188, 602735, 603748, 688840, 709240, 754685, 964376, 1056559, 1205470, 1207496, 1509370, 2113118, 2410940, 2565929, 3018740, 4226236, 4821880, 5131858, 5282795, 6037480, 8452472, 10263716, 10565590, 12829645, 17961503, 20527432, 21131180, 25659290, 35923006, 42262360, 51318580, 71846012, 89807515, 102637160, 143692024, 179615030, 359230060, 718460120]

約数ペア:

[(1, 718460120), (2, 359230060), (4, 179615030), (5, 143692024), (7, 102637160), (8, 89807515), (10, 71846012), (14, 51318580), (17, 42262360), (20, 35923006), (28, 25659290), (34, 21131180), (35, 20527432), (40, 17961503), (56, 12829645), (68, 10565590), (70, 10263716), (85, 8452472), (119, 6037480), (136, 5282795), (140, 5131858), (149, 4821880), (170, 4226236), (238, 3018740), (280, 2565929), (298, 2410940), (340, 2113118), (476, 1509370), (595, 1207496), (596, 1205470), (680, 1056559), (745, 964376), (952, 754685), (1013, 709240), (1043, 688840), (1190, 603748), (1192, 602735), (1490, 482188), (2026, 354620), (2086, 344420), (2380, 301874), (2533, 283640), (2980, 241094), (4052, 177310), (4172, 172210), (4760, 150937), (5065, 141848), (5066, 141820), (5215, 137768), (5960, 120547), (7091, 101320), (8104, 88655), (8344, 86105), (10130, 70924), (10132, 70910), (10430, 68884), (12665, 56728), (14182, 50660), (17221, 41720), (17731, 40520), (20260, 35462), (20264, 35455), (20860, 34442), (25330, 28364)]