400919280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53887}}^1$

素因数の和:53934

約数の個数: 80

約数和(自身を含む): 1282965504

約数和(自身を除く): 882046224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 53887, 107774, 161661, 215548, 269435, 323322, 431096, 538870, 646644, 808305, 862192, 1077740, 1293288, 1616610, 1670497, 2155480, 2586576, 3233220, 3340994, 4310960, 5011491, 6466440, 6681988, 8352485, 10022982, 12932880, 13363976, 16704970, 20045964, 25057455, 26727952, 33409940, 40091928, 50114910, 66819880, 80183856, 100229820, 133639760, 200459640, 400919280]

約数ペア:

[(1, 400919280), (2, 200459640), (3, 133639760), (4, 100229820), (5, 80183856), (6, 66819880), (8, 50114910), (10, 40091928), (12, 33409940), (15, 26727952), (16, 25057455), (20, 20045964), (24, 16704970), (30, 13363976), (31, 12932880), (40, 10022982), (48, 8352485), (60, 6681988), (62, 6466440), (80, 5011491), (93, 4310960), (120, 3340994), (124, 3233220), (155, 2586576), (186, 2155480), (240, 1670497), (248, 1616610), (310, 1293288), (372, 1077740), (465, 862192), (496, 808305), (620, 646644), (744, 538870), (930, 431096), (1240, 323322), (1488, 269435), (1860, 215548), (2480, 161661), (3720, 107774), (7440, 53887)]