389759280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52387}}^1$

素因数の和:52434

約数の個数: 80

約数和(自身を含む): 1247253504

約数和(自身を除く): 857494224

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, 52387, 104774, 157161, 209548, 261935, 314322, 419096, 523870, 628644, 785805, 838192, 1047740, 1257288, 1571610, 1623997, 2095480, 2514576, 3143220, 3247994, 4190960, 4871991, 6286440, 6495988, 8119985, 9743982, 12572880, 12991976, 16239970, 19487964, 24359955, 25983952, 32479940, 38975928, 48719910, 64959880, 77951856, 97439820, 129919760, 194879640, 389759280]

約数ペア:

[(1, 389759280), (2, 194879640), (3, 129919760), (4, 97439820), (5, 77951856), (6, 64959880), (8, 48719910), (10, 38975928), (12, 32479940), (15, 25983952), (16, 24359955), (20, 19487964), (24, 16239970), (30, 12991976), (31, 12572880), (40, 9743982), (48, 8119985), (60, 6495988), (62, 6286440), (80, 4871991), (93, 4190960), (120, 3247994), (124, 3143220), (155, 2514576), (186, 2095480), (240, 1623997), (248, 1571610), (310, 1257288), (372, 1047740), (465, 838192), (496, 785805), (620, 628644), (744, 523870), (930, 419096), (1240, 314322), (1488, 261935), (1860, 209548), (2480, 157161), (3720, 104774), (7440, 52387)]