28288680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 104898240

約数和(自身を除く): 76609560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 283, 294, 340, 357, 392, 408, 420, 476, 490, 510, 566, 588, 595, 680, 714, 735, 833, 840, 849, 952, 980, 1020, 1132, 1176, 1190, 1415, 1428, 1470, 1666, 1698, 1785, 1960, 1981, 2040, 2264, 2380, 2499, 2830, 2856, 2940, 3332, 3396, 3570, 3962, 4165, 4245, 4760, 4811, 4998, 5660, 5880, 5943, 6664, 6792, 7140, 7924, 8330, 8490, 9622, 9905, 9996, 11320, 11886, 12495, 13867, 14280, 14433, 15848, 16660, 16980, 19244, 19810, 19992, 23772, 24055, 24990, 27734, 28866, 29715, 33320, 33677, 33960, 38488, 39620, 41601, 47544, 48110, 49980, 55468, 57732, 59430, 67354, 69335, 72165, 79240, 83202, 96220, 99960, 101031, 110936, 115464, 118860, 134708, 138670, 144330, 166404, 168385, 192440, 202062, 208005, 235739, 237720, 269416, 277340, 288660, 332808, 336770, 404124, 416010, 471478, 505155, 554680, 577320, 673540, 707217, 808248, 832020, 942956, 1010310, 1178695, 1347080, 1414434, 1664040, 1885912, 2020620, 2357390, 2828868, 3536085, 4041240, 4714780, 5657736, 7072170, 9429560, 14144340, 28288680]

約数ペア:

[(1, 28288680), (2, 14144340), (3, 9429560), (4, 7072170), (5, 5657736), (6, 4714780), (7, 4041240), (8, 3536085), (10, 2828868), (12, 2357390), (14, 2020620), (15, 1885912), (17, 1664040), (20, 1414434), (21, 1347080), (24, 1178695), (28, 1010310), (30, 942956), (34, 832020), (35, 808248), (40, 707217), (42, 673540), (49, 577320), (51, 554680), (56, 505155), (60, 471478), (68, 416010), (70, 404124), (84, 336770), (85, 332808), (98, 288660), (102, 277340), (105, 269416), (119, 237720), (120, 235739), (136, 208005), (140, 202062), (147, 192440), (168, 168385), (170, 166404), (196, 144330), (204, 138670), (210, 134708), (238, 118860), (245, 115464), (255, 110936), (280, 101031), (283, 99960), (294, 96220), (340, 83202), (357, 79240), (392, 72165), (408, 69335), (420, 67354), (476, 59430), (490, 57732), (510, 55468), (566, 49980), (588, 48110), (595, 47544), (680, 41601), (714, 39620), (735, 38488), (833, 33960), (840, 33677), (849, 33320), (952, 29715), (980, 28866), (1020, 27734), (1132, 24990), (1176, 24055), (1190, 23772), (1415, 19992), (1428, 19810), (1470, 19244), (1666, 16980), (1698, 16660), (1785, 15848), (1960, 14433), (1981, 14280), (2040, 13867), (2264, 12495), (2380, 11886), (2499, 11320), (2830, 9996), (2856, 9905), (2940, 9622), (3332, 8490), (3396, 8330), (3570, 7924), (3962, 7140), (4165, 6792), (4245, 6664), (4760, 5943), (4811, 5880), (4998, 5660)]