15782800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 44006112

約数和(自身を除く): 28223312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 211, 220, 272, 275, 340, 374, 400, 422, 425, 440, 550, 680, 748, 844, 850, 880, 935, 1055, 1100, 1360, 1496, 1688, 1700, 1870, 2110, 2200, 2321, 2992, 3376, 3400, 3587, 3740, 4220, 4400, 4642, 4675, 5275, 6800, 7174, 7480, 8440, 9284, 9350, 10550, 11605, 14348, 14960, 16880, 17935, 18568, 18700, 21100, 23210, 28696, 35870, 37136, 37400, 39457, 42200, 46420, 57392, 58025, 71740, 74800, 78914, 84400, 89675, 92840, 116050, 143480, 157828, 179350, 185680, 197285, 232100, 286960, 315656, 358700, 394570, 464200, 631312, 717400, 789140, 928400, 986425, 1434800, 1578280, 1972850, 3156560, 3945700, 7891400, 15782800]

約数ペア:

[(1, 15782800), (2, 7891400), (4, 3945700), (5, 3156560), (8, 1972850), (10, 1578280), (11, 1434800), (16, 986425), (17, 928400), (20, 789140), (22, 717400), (25, 631312), (34, 464200), (40, 394570), (44, 358700), (50, 315656), (55, 286960), (68, 232100), (80, 197285), (85, 185680), (88, 179350), (100, 157828), (110, 143480), (136, 116050), (170, 92840), (176, 89675), (187, 84400), (200, 78914), (211, 74800), (220, 71740), (272, 58025), (275, 57392), (340, 46420), (374, 42200), (400, 39457), (422, 37400), (425, 37136), (440, 35870), (550, 28696), (680, 23210), (748, 21100), (844, 18700), (850, 18568), (880, 17935), (935, 16880), (1055, 14960), (1100, 14348), (1360, 11605), (1496, 10550), (1688, 9350), (1700, 9284), (1870, 8440), (2110, 7480), (2200, 7174), (2321, 6800), (2992, 5275), (3376, 4675), (3400, 4642), (3587, 4400), (3740, 4220)]