280409040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 200

約数和(自身を含む): 985312680

約数和(自身を除く): 704903640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 109, 120, 135, 144, 162, 180, 216, 218, 240, 270, 324, 327, 360, 397, 405, 432, 436, 540, 545, 648, 654, 720, 794, 810, 872, 981, 1080, 1090, 1191, 1296, 1308, 1588, 1620, 1635, 1744, 1962, 1985, 2160, 2180, 2382, 2616, 2943, 3176, 3240, 3270, 3573, 3924, 3970, 4360, 4764, 4905, 5232, 5886, 5955, 6352, 6480, 6540, 7146, 7848, 7940, 8720, 8829, 9528, 9810, 10719, 11772, 11910, 13080, 14292, 14715, 15696, 15880, 17658, 17865, 19056, 19620, 21438, 23544, 23820, 26160, 28584, 29430, 31760, 32157, 35316, 35730, 39240, 42876, 43273, 44145, 47088, 47640, 53595, 57168, 58860, 64314, 70632, 71460, 78480, 85752, 86546, 88290, 95280, 107190, 117720, 128628, 129819, 141264, 142920, 160785, 171504, 173092, 176580, 214380, 216365, 235440, 257256, 259638, 285840, 321570, 346184, 353160, 389457, 428760, 432730, 514512, 519276, 643140, 649095, 692368, 706320, 778914, 857520, 865460, 1038552, 1168371, 1286280, 1298190, 1557828, 1730920, 1947285, 2077104, 2336742, 2572560, 2596380, 3115656, 3461840, 3505113, 3894570, 4673484, 5192760, 5841855, 6231312, 7010226, 7789140, 9346968, 10385520, 11683710, 14020452, 15578280, 17525565, 18693936, 23367420, 28040904, 31156560, 35051130, 46734840, 56081808, 70102260, 93469680, 140204520, 280409040]

約数ペア:

[(1, 280409040), (2, 140204520), (3, 93469680), (4, 70102260), (5, 56081808), (6, 46734840), (8, 35051130), (9, 31156560), (10, 28040904), (12, 23367420), (15, 18693936), (16, 17525565), (18, 15578280), (20, 14020452), (24, 11683710), (27, 10385520), (30, 9346968), (36, 7789140), (40, 7010226), (45, 6231312), (48, 5841855), (54, 5192760), (60, 4673484), (72, 3894570), (80, 3505113), (81, 3461840), (90, 3115656), (108, 2596380), (109, 2572560), (120, 2336742), (135, 2077104), (144, 1947285), (162, 1730920), (180, 1557828), (216, 1298190), (218, 1286280), (240, 1168371), (270, 1038552), (324, 865460), (327, 857520), (360, 778914), (397, 706320), (405, 692368), (432, 649095), (436, 643140), (540, 519276), (545, 514512), (648, 432730), (654, 428760), (720, 389457), (794, 353160), (810, 346184), (872, 321570), (981, 285840), (1080, 259638), (1090, 257256), (1191, 235440), (1296, 216365), (1308, 214380), (1588, 176580), (1620, 173092), (1635, 171504), (1744, 160785), (1962, 142920), (1985, 141264), (2160, 129819), (2180, 128628), (2382, 117720), (2616, 107190), (2943, 95280), (3176, 88290), (3240, 86546), (3270, 85752), (3573, 78480), (3924, 71460), (3970, 70632), (4360, 64314), (4764, 58860), (4905, 57168), (5232, 53595), (5886, 47640), (5955, 47088), (6352, 44145), (6480, 43273), (6540, 42876), (7146, 39240), (7848, 35730), (7940, 35316), (8720, 32157), (8829, 31760), (9528, 29430), (9810, 28584), (10719, 26160), (11772, 23820), (11910, 23544), (13080, 21438), (14292, 19620), (14715, 19056), (15696, 17865), (15880, 17658)]