1781576160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40787}}^1$

素因数の和:40825

約数の個数: 192

約数和(自身を含む): 6907203072

約数和(自身を除く): 5125626912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 6240, 7280, 8736, 10920, 14560, 21840, 40787, 43680, 81574, 122361, 163148, 203935, 244722, 285509, 326296, 407870, 489444, 530231, 571018, 611805, 652592, 815740, 856527, 978888, 1060462, 1142036, 1223610, 1305184, 1427545, 1590693, 1631480, 1713054, 1957776, 2120924, 2284072, 2447220, 2651155, 2855090, 3181386, 3262960, 3426108, 3711617, 3915552, 4241848, 4282635, 4568144, 4894440, 5302310, 5710180, 6362772, 6525920, 6852216, 7423234, 7953465, 8483696, 8565270, 9136288, 9788880, 10604620, 11134851, 11420360, 12725544, 13704432, 14846468, 15906930, 16967392, 17130540, 18558085, 19577760, 21209240, 22269702, 22840720, 25451088, 27408864, 29692936, 31813860, 34261080, 37116170, 42418480, 44539404, 45681440, 50902176, 55674255, 59385872, 63627720, 68522160, 74232340, 84836960, 89078808, 111348510, 118771744, 127255440, 137044320, 148464680, 178157616, 222697020, 254510880, 296929360, 356315232, 445394040, 593858720, 890788080, 1781576160]

約数ペア:

[(1, 1781576160), (2, 890788080), (3, 593858720), (4, 445394040), (5, 356315232), (6, 296929360), (7, 254510880), (8, 222697020), (10, 178157616), (12, 148464680), (13, 137044320), (14, 127255440), (15, 118771744), (16, 111348510), (20, 89078808), (21, 84836960), (24, 74232340), (26, 68522160), (28, 63627720), (30, 59385872), (32, 55674255), (35, 50902176), (39, 45681440), (40, 44539404), (42, 42418480), (48, 37116170), (52, 34261080), (56, 31813860), (60, 29692936), (65, 27408864), (70, 25451088), (78, 22840720), (80, 22269702), (84, 21209240), (91, 19577760), (96, 18558085), (104, 17130540), (105, 16967392), (112, 15906930), (120, 14846468), (130, 13704432), (140, 12725544), (156, 11420360), (160, 11134851), (168, 10604620), (182, 9788880), (195, 9136288), (208, 8565270), (210, 8483696), (224, 7953465), (240, 7423234), (260, 6852216), (273, 6525920), (280, 6362772), (312, 5710180), (336, 5302310), (364, 4894440), (390, 4568144), (416, 4282635), (420, 4241848), (455, 3915552), (480, 3711617), (520, 3426108), (546, 3262960), (560, 3181386), (624, 2855090), (672, 2651155), (728, 2447220), (780, 2284072), (840, 2120924), (910, 1957776), (1040, 1713054), (1092, 1631480), (1120, 1590693), (1248, 1427545), (1365, 1305184), (1456, 1223610), (1560, 1142036), (1680, 1060462), (1820, 978888), (2080, 856527), (2184, 815740), (2730, 652592), (2912, 611805), (3120, 571018), (3360, 530231), (3640, 489444), (4368, 407870), (5460, 326296), (6240, 285509), (7280, 244722), (8736, 203935), (10920, 163148), (14560, 122361), (21840, 81574), (40787, 43680)]