1247691880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 3058300800

約数和(自身を除く): 1810608920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 137, 170, 227, 236, 274, 295, 340, 454, 472, 548, 590, 680, 685, 908, 1003, 1096, 1135, 1180, 1370, 1816, 2006, 2270, 2329, 2360, 2740, 3859, 4012, 4540, 4658, 5015, 5480, 7718, 8024, 8083, 9080, 9316, 10030, 11645, 13393, 15436, 16166, 18632, 19295, 20060, 23290, 26786, 30872, 31099, 32332, 38590, 40120, 40415, 46580, 53572, 62198, 64664, 66965, 77180, 80830, 93160, 107144, 124396, 133930, 137411, 154360, 155495, 161660, 227681, 248792, 267860, 274822, 310990, 323320, 455362, 528683, 535720, 549644, 621980, 687055, 910724, 1057366, 1099288, 1138405, 1243960, 1374110, 1821448, 1834841, 2114732, 2276810, 2643415, 2748220, 3669682, 4229464, 4553620, 5286830, 5496440, 7339364, 9107240, 9174205, 10573660, 14678728, 18348410, 21147320, 31192297, 36696820, 62384594, 73393640, 124769188, 155961485, 249538376, 311922970, 623845940, 1247691880]

約数ペア:

[(1, 1247691880), (2, 623845940), (4, 311922970), (5, 249538376), (8, 155961485), (10, 124769188), (17, 73393640), (20, 62384594), (34, 36696820), (40, 31192297), (59, 21147320), (68, 18348410), (85, 14678728), (118, 10573660), (136, 9174205), (137, 9107240), (170, 7339364), (227, 5496440), (236, 5286830), (274, 4553620), (295, 4229464), (340, 3669682), (454, 2748220), (472, 2643415), (548, 2276810), (590, 2114732), (680, 1834841), (685, 1821448), (908, 1374110), (1003, 1243960), (1096, 1138405), (1135, 1099288), (1180, 1057366), (1370, 910724), (1816, 687055), (2006, 621980), (2270, 549644), (2329, 535720), (2360, 528683), (2740, 455362), (3859, 323320), (4012, 310990), (4540, 274822), (4658, 267860), (5015, 248792), (5480, 227681), (7718, 161660), (8024, 155495), (8083, 154360), (9080, 137411), (9316, 133930), (10030, 124396), (11645, 107144), (13393, 93160), (15436, 80830), (16166, 77180), (18632, 66965), (19295, 64664), (20060, 62198), (23290, 53572), (26786, 46580), (30872, 40415), (31099, 40120), (32332, 38590)]