64006440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 141625560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 67, 76, 95, 114, 120, 134, 152, 190, 201, 228, 268, 285, 335, 380, 402, 419, 456, 536, 570, 670, 760, 804, 838, 1005, 1140, 1257, 1273, 1340, 1608, 1676, 2010, 2095, 2280, 2514, 2546, 2680, 3352, 3819, 4020, 4190, 5028, 5092, 6285, 6365, 7638, 7961, 8040, 8380, 10056, 10184, 12570, 12730, 15276, 15922, 16760, 19095, 23883, 25140, 25460, 28073, 30552, 31844, 38190, 39805, 47766, 50280, 50920, 56146, 63688, 76380, 79610, 84219, 95532, 112292, 119415, 140365, 152760, 159220, 168438, 191064, 224584, 238830, 280730, 318440, 336876, 421095, 477660, 533387, 561460, 673752, 842190, 955320, 1066774, 1122920, 1600161, 1684380, 2133548, 2666935, 3200322, 3368760, 4267096, 5333870, 6400644, 8000805, 10667740, 12801288, 16001610, 21335480, 32003220, 64006440]

約数ペア:

[(1, 64006440), (2, 32003220), (3, 21335480), (4, 16001610), (5, 12801288), (6, 10667740), (8, 8000805), (10, 6400644), (12, 5333870), (15, 4267096), (19, 3368760), (20, 3200322), (24, 2666935), (30, 2133548), (38, 1684380), (40, 1600161), (57, 1122920), (60, 1066774), (67, 955320), (76, 842190), (95, 673752), (114, 561460), (120, 533387), (134, 477660), (152, 421095), (190, 336876), (201, 318440), (228, 280730), (268, 238830), (285, 224584), (335, 191064), (380, 168438), (402, 159220), (419, 152760), (456, 140365), (536, 119415), (570, 112292), (670, 95532), (760, 84219), (804, 79610), (838, 76380), (1005, 63688), (1140, 56146), (1257, 50920), (1273, 50280), (1340, 47766), (1608, 39805), (1676, 38190), (2010, 31844), (2095, 30552), (2280, 28073), (2514, 25460), (2546, 25140), (2680, 23883), (3352, 19095), (3819, 16760), (4020, 15922), (4190, 15276), (5028, 12730), (5092, 12570), (6285, 10184), (6365, 10056), (7638, 8380), (7961, 8040)]