205450440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 256

約数和(自身を含む): 719953920

約数和(自身を除く): 514503480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 61, 65, 68, 78, 85, 102, 104, 120, 122, 127, 130, 136, 156, 170, 183, 195, 204, 221, 244, 254, 255, 260, 305, 312, 340, 366, 381, 390, 408, 442, 488, 508, 510, 520, 610, 635, 663, 680, 732, 762, 780, 793, 884, 915, 1016, 1020, 1037, 1105, 1220, 1270, 1326, 1464, 1524, 1560, 1586, 1651, 1768, 1830, 1905, 2040, 2074, 2159, 2210, 2379, 2440, 2540, 2652, 3048, 3111, 3172, 3302, 3315, 3660, 3810, 3965, 4148, 4318, 4420, 4758, 4953, 5080, 5185, 5304, 6222, 6344, 6477, 6604, 6630, 7320, 7620, 7747, 7930, 8255, 8296, 8636, 8840, 9516, 9906, 10370, 10795, 11895, 12444, 12954, 13208, 13260, 13481, 15240, 15494, 15555, 15860, 16510, 17272, 19032, 19812, 20740, 21590, 23241, 23790, 24765, 24888, 25908, 26520, 26962, 28067, 30988, 31110, 31720, 32385, 33020, 38735, 39624, 40443, 41480, 43180, 46482, 47580, 49530, 51816, 53924, 56134, 61976, 62220, 64770, 66040, 67405, 77470, 80886, 84201, 86360, 92964, 95160, 99060, 100711, 107848, 112268, 116205, 124440, 129540, 131699, 134810, 140335, 154940, 161772, 168402, 185928, 198120, 201422, 202215, 224536, 232410, 259080, 263398, 269620, 280670, 302133, 309880, 323544, 336804, 395097, 402844, 404430, 421005, 464820, 503555, 526796, 539240, 561340, 604266, 658495, 673608, 790194, 805688, 808860, 842010, 929640, 1007110, 1053592, 1122680, 1208532, 1316990, 1510665, 1580388, 1617720, 1684020, 1712087, 1975485, 2014220, 2417064, 2633980, 3021330, 3160776, 3368040, 3424174, 3950970, 4028440, 5136261, 5267960, 6042660, 6848348, 7901940, 8560435, 10272522, 12085320, 13696696, 15803880, 17120870, 20545044, 25681305, 34241740, 41090088, 51362610, 68483480, 102725220, 205450440]

約数ペア:

[(1, 205450440), (2, 102725220), (3, 68483480), (4, 51362610), (5, 41090088), (6, 34241740), (8, 25681305), (10, 20545044), (12, 17120870), (13, 15803880), (15, 13696696), (17, 12085320), (20, 10272522), (24, 8560435), (26, 7901940), (30, 6848348), (34, 6042660), (39, 5267960), (40, 5136261), (51, 4028440), (52, 3950970), (60, 3424174), (61, 3368040), (65, 3160776), (68, 3021330), (78, 2633980), (85, 2417064), (102, 2014220), (104, 1975485), (120, 1712087), (122, 1684020), (127, 1617720), (130, 1580388), (136, 1510665), (156, 1316990), (170, 1208532), (183, 1122680), (195, 1053592), (204, 1007110), (221, 929640), (244, 842010), (254, 808860), (255, 805688), (260, 790194), (305, 673608), (312, 658495), (340, 604266), (366, 561340), (381, 539240), (390, 526796), (408, 503555), (442, 464820), (488, 421005), (508, 404430), (510, 402844), (520, 395097), (610, 336804), (635, 323544), (663, 309880), (680, 302133), (732, 280670), (762, 269620), (780, 263398), (793, 259080), (884, 232410), (915, 224536), (1016, 202215), (1020, 201422), (1037, 198120), (1105, 185928), (1220, 168402), (1270, 161772), (1326, 154940), (1464, 140335), (1524, 134810), (1560, 131699), (1586, 129540), (1651, 124440), (1768, 116205), (1830, 112268), (1905, 107848), (2040, 100711), (2074, 99060), (2159, 95160), (2210, 92964), (2379, 86360), (2440, 84201), (2540, 80886), (2652, 77470), (3048, 67405), (3111, 66040), (3172, 64770), (3302, 62220), (3315, 61976), (3660, 56134), (3810, 53924), (3965, 51816), (4148, 49530), (4318, 47580), (4420, 46482), (4758, 43180), (4953, 41480), (5080, 40443), (5185, 39624), (5304, 38735), (6222, 33020), (6344, 32385), (6477, 31720), (6604, 31110), (6630, 30988), (7320, 28067), (7620, 26962), (7747, 26520), (7930, 25908), (8255, 24888), (8296, 24765), (8636, 23790), (8840, 23241), (9516, 21590), (9906, 20740), (10370, 19812), (10795, 19032), (11895, 17272), (12444, 16510), (12954, 15860), (13208, 15555), (13260, 15494), (13481, 15240)]