161087640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 256

約数和(自身を含む): 583096320

約数和(自身を除く): 422008680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 71, 73, 74, 84, 105, 111, 120, 140, 142, 146, 148, 168, 185, 210, 213, 219, 222, 259, 280, 284, 292, 296, 355, 365, 370, 420, 426, 438, 444, 497, 511, 518, 555, 568, 584, 710, 730, 740, 777, 840, 852, 876, 888, 994, 1022, 1036, 1065, 1095, 1110, 1295, 1420, 1460, 1480, 1491, 1533, 1554, 1704, 1752, 1988, 2044, 2072, 2130, 2190, 2220, 2485, 2555, 2590, 2627, 2701, 2840, 2920, 2982, 3066, 3108, 3885, 3976, 4088, 4260, 4380, 4440, 4970, 5110, 5180, 5183, 5254, 5402, 5964, 6132, 6216, 7455, 7665, 7770, 7881, 8103, 8520, 8760, 9940, 10220, 10360, 10366, 10508, 10804, 11928, 12264, 13135, 13505, 14910, 15330, 15540, 15549, 15762, 16206, 18389, 18907, 19880, 20440, 20732, 21016, 21608, 25915, 26270, 27010, 29820, 30660, 31080, 31098, 31524, 32412, 36281, 36778, 37814, 39405, 40515, 41464, 51830, 52540, 54020, 55167, 56721, 59640, 61320, 62196, 63048, 64824, 72562, 73556, 75628, 77745, 78810, 81030, 91945, 94535, 103660, 105080, 108040, 108843, 110334, 113442, 124392, 145124, 147112, 151256, 155490, 157620, 162060, 181405, 183890, 189070, 191771, 207320, 217686, 220668, 226884, 275835, 283605, 290248, 310980, 315240, 324120, 362810, 367780, 378140, 383542, 435372, 441336, 453768, 544215, 551670, 567210, 575313, 621960, 725620, 735560, 756280, 767084, 870744, 958855, 1088430, 1103340, 1134420, 1150626, 1342397, 1451240, 1534168, 1917710, 2176860, 2206680, 2268840, 2301252, 2684794, 2876565, 3835420, 4027191, 4353720, 4602504, 5369588, 5753130, 6711985, 7670840, 8054382, 10739176, 11506260, 13423970, 16108764, 20135955, 23012520, 26847940, 32217528, 40271910, 53695880, 80543820, 161087640]

約数ペア:

[(1, 161087640), (2, 80543820), (3, 53695880), (4, 40271910), (5, 32217528), (6, 26847940), (7, 23012520), (8, 20135955), (10, 16108764), (12, 13423970), (14, 11506260), (15, 10739176), (20, 8054382), (21, 7670840), (24, 6711985), (28, 5753130), (30, 5369588), (35, 4602504), (37, 4353720), (40, 4027191), (42, 3835420), (56, 2876565), (60, 2684794), (70, 2301252), (71, 2268840), (73, 2206680), (74, 2176860), (84, 1917710), (105, 1534168), (111, 1451240), (120, 1342397), (140, 1150626), (142, 1134420), (146, 1103340), (148, 1088430), (168, 958855), (185, 870744), (210, 767084), (213, 756280), (219, 735560), (222, 725620), (259, 621960), (280, 575313), (284, 567210), (292, 551670), (296, 544215), (355, 453768), (365, 441336), (370, 435372), (420, 383542), (426, 378140), (438, 367780), (444, 362810), (497, 324120), (511, 315240), (518, 310980), (555, 290248), (568, 283605), (584, 275835), (710, 226884), (730, 220668), (740, 217686), (777, 207320), (840, 191771), (852, 189070), (876, 183890), (888, 181405), (994, 162060), (1022, 157620), (1036, 155490), (1065, 151256), (1095, 147112), (1110, 145124), (1295, 124392), (1420, 113442), (1460, 110334), (1480, 108843), (1491, 108040), (1533, 105080), (1554, 103660), (1704, 94535), (1752, 91945), (1988, 81030), (2044, 78810), (2072, 77745), (2130, 75628), (2190, 73556), (2220, 72562), (2485, 64824), (2555, 63048), (2590, 62196), (2627, 61320), (2701, 59640), (2840, 56721), (2920, 55167), (2982, 54020), (3066, 52540), (3108, 51830), (3885, 41464), (3976, 40515), (4088, 39405), (4260, 37814), (4380, 36778), (4440, 36281), (4970, 32412), (5110, 31524), (5180, 31098), (5183, 31080), (5254, 30660), (5402, 29820), (5964, 27010), (6132, 26270), (6216, 25915), (7455, 21608), (7665, 21016), (7770, 20732), (7881, 20440), (8103, 19880), (8520, 18907), (8760, 18389), (9940, 16206), (10220, 15762), (10360, 15549), (10366, 15540), (10508, 15330), (10804, 14910), (11928, 13505), (12264, 13135)]