257598960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3375

約数の個数: 160

約数和(自身を含む): 890300160

約数和(自身を除く): 632701200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3323, 3876, 4080, 4560, 4845, 5168, 6460, 6646, 7752, 9690, 9969, 12920, 13292, 15504, 16615, 19380, 19938, 25840, 26584, 33230, 38760, 39876, 49845, 53168, 56491, 63137, 66460, 77520, 79752, 99690, 112982, 126274, 132920, 159504, 169473, 189411, 199380, 225964, 252548, 265840, 282455, 315685, 338946, 378822, 398760, 451928, 505096, 564910, 631370, 677892, 757644, 797520, 847365, 903856, 947055, 1010192, 1073329, 1129820, 1262740, 1355784, 1515288, 1694730, 1894110, 2146658, 2259640, 2525480, 2711568, 3030576, 3219987, 3389460, 3788220, 4293316, 4519280, 5050960, 5366645, 6439974, 6778920, 7576440, 8586632, 10733290, 12879948, 13557840, 15152880, 16099935, 17173264, 21466580, 25759896, 32199870, 42933160, 51519792, 64399740, 85866320, 128799480, 257598960]

約数ペア:

[(1, 257598960), (2, 128799480), (3, 85866320), (4, 64399740), (5, 51519792), (6, 42933160), (8, 32199870), (10, 25759896), (12, 21466580), (15, 17173264), (16, 16099935), (17, 15152880), (19, 13557840), (20, 12879948), (24, 10733290), (30, 8586632), (34, 7576440), (38, 6778920), (40, 6439974), (48, 5366645), (51, 5050960), (57, 4519280), (60, 4293316), (68, 3788220), (76, 3389460), (80, 3219987), (85, 3030576), (95, 2711568), (102, 2525480), (114, 2259640), (120, 2146658), (136, 1894110), (152, 1694730), (170, 1515288), (190, 1355784), (204, 1262740), (228, 1129820), (240, 1073329), (255, 1010192), (272, 947055), (285, 903856), (304, 847365), (323, 797520), (340, 757644), (380, 677892), (408, 631370), (456, 564910), (510, 505096), (570, 451928), (646, 398760), (680, 378822), (760, 338946), (816, 315685), (912, 282455), (969, 265840), (1020, 252548), (1140, 225964), (1292, 199380), (1360, 189411), (1520, 169473), (1615, 159504), (1938, 132920), (2040, 126274), (2280, 112982), (2584, 99690), (3230, 79752), (3323, 77520), (3876, 66460), (4080, 63137), (4560, 56491), (4845, 53168), (5168, 49845), (6460, 39876), (6646, 38760), (7752, 33230), (9690, 26584), (9969, 25840), (12920, 19938), (13292, 19380), (15504, 16615)]