172445960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 412542720

約数和(自身を除く): 240096760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 367, 680, 691, 734, 1382, 1468, 1835, 2764, 2936, 3455, 3670, 5528, 6239, 6910, 7340, 11747, 12478, 13820, 14680, 23494, 24956, 27640, 31195, 46988, 49912, 58735, 62390, 93976, 117470, 124780, 234940, 249560, 253597, 469880, 507194, 1014388, 1267985, 2028776, 2535970, 4311149, 5071940, 8622298, 10143880, 17244596, 21555745, 34489192, 43111490, 86222980, 172445960]

約数ペア:

[(1, 172445960), (2, 86222980), (4, 43111490), (5, 34489192), (8, 21555745), (10, 17244596), (17, 10143880), (20, 8622298), (34, 5071940), (40, 4311149), (68, 2535970), (85, 2028776), (136, 1267985), (170, 1014388), (340, 507194), (367, 469880), (680, 253597), (691, 249560), (734, 234940), (1382, 124780), (1468, 117470), (1835, 93976), (2764, 62390), (2936, 58735), (3455, 49912), (3670, 46988), (5528, 31195), (6239, 27640), (6910, 24956), (7340, 23494), (11747, 14680), (12478, 13820)]