15550380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 50616720

約数和(自身を除く): 35066340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 331, 348, 405, 435, 522, 540, 580, 662, 783, 810, 870, 993, 1044, 1305, 1324, 1566, 1620, 1655, 1740, 1986, 2349, 2610, 2979, 3132, 3310, 3915, 3972, 4698, 4965, 5220, 5958, 6620, 7830, 8937, 9396, 9599, 9930, 11745, 11916, 14895, 15660, 17874, 19198, 19860, 23490, 26811, 28797, 29790, 35748, 38396, 44685, 46980, 47995, 53622, 57594, 59580, 86391, 89370, 95990, 107244, 115188, 134055, 143985, 172782, 178740, 191980, 259173, 268110, 287970, 345564, 431955, 518346, 536220, 575940, 777519, 863910, 1036692, 1295865, 1555038, 1727820, 2591730, 3110076, 3887595, 5183460, 7775190, 15550380]

約数ペア:

[(1, 15550380), (2, 7775190), (3, 5183460), (4, 3887595), (5, 3110076), (6, 2591730), (9, 1727820), (10, 1555038), (12, 1295865), (15, 1036692), (18, 863910), (20, 777519), (27, 575940), (29, 536220), (30, 518346), (36, 431955), (45, 345564), (54, 287970), (58, 268110), (60, 259173), (81, 191980), (87, 178740), (90, 172782), (108, 143985), (116, 134055), (135, 115188), (145, 107244), (162, 95990), (174, 89370), (180, 86391), (261, 59580), (270, 57594), (290, 53622), (324, 47995), (331, 46980), (348, 44685), (405, 38396), (435, 35748), (522, 29790), (540, 28797), (580, 26811), (662, 23490), (783, 19860), (810, 19198), (870, 17874), (993, 15660), (1044, 14895), (1305, 11916), (1324, 11745), (1566, 9930), (1620, 9599), (1655, 9396), (1740, 8937), (1986, 7830), (2349, 6620), (2610, 5958), (2979, 5220), (3132, 4965), (3310, 4698), (3915, 3972)]