28910880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1219

約数の個数: 144

約数和(自身を含む): 104550264

約数和(自身を除く): 75639384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1181, 1224, 1360, 1440, 1530, 1632, 2040, 2362, 2448, 2720, 3060, 3543, 4080, 4724, 4896, 5905, 6120, 7086, 8160, 9448, 10629, 11810, 12240, 14172, 17715, 18896, 20077, 21258, 23620, 24480, 28344, 35430, 37792, 40154, 42516, 47240, 53145, 56688, 60231, 70860, 80308, 85032, 94480, 100385, 106290, 113376, 120462, 141720, 160616, 170064, 180693, 188960, 200770, 212580, 240924, 283440, 301155, 321232, 340128, 361386, 401540, 425160, 481848, 566880, 602310, 642464, 722772, 803080, 850320, 903465, 963696, 1204620, 1445544, 1606160, 1700640, 1806930, 1927392, 2409240, 2891088, 3212320, 3613860, 4818480, 5782176, 7227720, 9636960, 14455440, 28910880]

約数ペア:

[(1, 28910880), (2, 14455440), (3, 9636960), (4, 7227720), (5, 5782176), (6, 4818480), (8, 3613860), (9, 3212320), (10, 2891088), (12, 2409240), (15, 1927392), (16, 1806930), (17, 1700640), (18, 1606160), (20, 1445544), (24, 1204620), (30, 963696), (32, 903465), (34, 850320), (36, 803080), (40, 722772), (45, 642464), (48, 602310), (51, 566880), (60, 481848), (68, 425160), (72, 401540), (80, 361386), (85, 340128), (90, 321232), (96, 301155), (102, 283440), (120, 240924), (136, 212580), (144, 200770), (153, 188960), (160, 180693), (170, 170064), (180, 160616), (204, 141720), (240, 120462), (255, 113376), (272, 106290), (288, 100385), (306, 94480), (340, 85032), (360, 80308), (408, 70860), (480, 60231), (510, 56688), (544, 53145), (612, 47240), (680, 42516), (720, 40154), (765, 37792), (816, 35430), (1020, 28344), (1181, 24480), (1224, 23620), (1360, 21258), (1440, 20077), (1530, 18896), (1632, 17715), (2040, 14172), (2362, 12240), (2448, 11810), (2720, 10629), (3060, 9448), (3543, 8160), (4080, 7086), (4724, 6120), (4896, 5905)]