208989840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 692205696

約数和(自身を除く): 483215856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 181, 204, 240, 255, 272, 283, 340, 362, 408, 510, 543, 566, 680, 724, 816, 849, 905, 1020, 1086, 1132, 1360, 1415, 1448, 1698, 1810, 2040, 2172, 2264, 2715, 2830, 2896, 3077, 3396, 3620, 4080, 4245, 4344, 4528, 4811, 5430, 5660, 6154, 6792, 7240, 8490, 8688, 9231, 9622, 10860, 11320, 12308, 13584, 14433, 14480, 15385, 16980, 18462, 19244, 21720, 22640, 24055, 24616, 28866, 30770, 33960, 36924, 38488, 43440, 46155, 48110, 49232, 51223, 57732, 61540, 67920, 72165, 73848, 76976, 92310, 96220, 102446, 115464, 123080, 144330, 147696, 153669, 184620, 192440, 204892, 230928, 246160, 256115, 288660, 307338, 369240, 384880, 409784, 512230, 577320, 614676, 738480, 768345, 819568, 870791, 1024460, 1154640, 1229352, 1536690, 1741582, 2048920, 2458704, 2612373, 3073380, 3483164, 4097840, 4353955, 5224746, 6146760, 6966328, 8707910, 10449492, 12293520, 13061865, 13932656, 17415820, 20898984, 26123730, 34831640, 41797968, 52247460, 69663280, 104494920, 208989840]

約数ペア:

[(1, 208989840), (2, 104494920), (3, 69663280), (4, 52247460), (5, 41797968), (6, 34831640), (8, 26123730), (10, 20898984), (12, 17415820), (15, 13932656), (16, 13061865), (17, 12293520), (20, 10449492), (24, 8707910), (30, 6966328), (34, 6146760), (40, 5224746), (48, 4353955), (51, 4097840), (60, 3483164), (68, 3073380), (80, 2612373), (85, 2458704), (102, 2048920), (120, 1741582), (136, 1536690), (170, 1229352), (181, 1154640), (204, 1024460), (240, 870791), (255, 819568), (272, 768345), (283, 738480), (340, 614676), (362, 577320), (408, 512230), (510, 409784), (543, 384880), (566, 369240), (680, 307338), (724, 288660), (816, 256115), (849, 246160), (905, 230928), (1020, 204892), (1086, 192440), (1132, 184620), (1360, 153669), (1415, 147696), (1448, 144330), (1698, 123080), (1810, 115464), (2040, 102446), (2172, 96220), (2264, 92310), (2715, 76976), (2830, 73848), (2896, 72165), (3077, 67920), (3396, 61540), (3620, 57732), (4080, 51223), (4245, 49232), (4344, 48110), (4528, 46155), (4811, 43440), (5430, 38488), (5660, 36924), (6154, 33960), (6792, 30770), (7240, 28866), (8490, 24616), (8688, 24055), (9231, 22640), (9622, 21720), (10860, 19244), (11320, 18462), (12308, 16980), (13584, 15385), (14433, 14480)]