1777888920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2893

約数の個数: 128

約数和(自身を含む): 5484024000

約数和(自身を除く): 3706135080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 89, 120, 122, 178, 183, 244, 267, 305, 356, 366, 445, 488, 534, 610, 712, 732, 890, 915, 1068, 1220, 1335, 1464, 1780, 1830, 2136, 2440, 2670, 2729, 3560, 3660, 5340, 5429, 5458, 7320, 8187, 10680, 10858, 10916, 13645, 16287, 16374, 21716, 21832, 27145, 27290, 32574, 32748, 40935, 43432, 54290, 54580, 65148, 65496, 81435, 81870, 108580, 109160, 130296, 162870, 163740, 166469, 217160, 242881, 325740, 327480, 332938, 485762, 499407, 651480, 665876, 728643, 832345, 971524, 998814, 1214405, 1331752, 1457286, 1664690, 1943048, 1997628, 2428810, 2497035, 2914572, 3329380, 3643215, 3995256, 4857620, 4994070, 5829144, 6658760, 7286430, 9715240, 9988140, 14572860, 14815741, 19976280, 29145720, 29631482, 44447223, 59262964, 74078705, 88894446, 118525928, 148157410, 177788892, 222236115, 296314820, 355577784, 444472230, 592629640, 888944460, 1777888920]

約数ペア:

[(1, 1777888920), (2, 888944460), (3, 592629640), (4, 444472230), (5, 355577784), (6, 296314820), (8, 222236115), (10, 177788892), (12, 148157410), (15, 118525928), (20, 88894446), (24, 74078705), (30, 59262964), (40, 44447223), (60, 29631482), (61, 29145720), (89, 19976280), (120, 14815741), (122, 14572860), (178, 9988140), (183, 9715240), (244, 7286430), (267, 6658760), (305, 5829144), (356, 4994070), (366, 4857620), (445, 3995256), (488, 3643215), (534, 3329380), (610, 2914572), (712, 2497035), (732, 2428810), (890, 1997628), (915, 1943048), (1068, 1664690), (1220, 1457286), (1335, 1331752), (1464, 1214405), (1780, 998814), (1830, 971524), (2136, 832345), (2440, 728643), (2670, 665876), (2729, 651480), (3560, 499407), (3660, 485762), (5340, 332938), (5429, 327480), (5458, 325740), (7320, 242881), (8187, 217160), (10680, 166469), (10858, 163740), (10916, 162870), (13645, 130296), (16287, 109160), (16374, 108580), (21716, 81870), (21832, 81435), (27145, 65496), (27290, 65148), (32574, 54580), (32748, 54290), (40935, 43432)]