320691280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 320

約数和(自身を含む): 999936000

約数和(自身を除く): 679244720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 31, 35, 40, 49, 52, 56, 58, 62, 65, 70, 80, 91, 98, 104, 112, 116, 124, 130, 140, 145, 155, 182, 196, 203, 208, 217, 232, 245, 248, 260, 280, 290, 310, 343, 364, 377, 392, 403, 406, 434, 455, 464, 490, 496, 520, 560, 580, 620, 637, 686, 728, 754, 784, 806, 812, 868, 899, 910, 980, 1015, 1040, 1085, 1160, 1240, 1274, 1372, 1421, 1456, 1508, 1519, 1612, 1624, 1715, 1736, 1798, 1820, 1885, 1960, 2015, 2030, 2170, 2320, 2480, 2548, 2639, 2744, 2821, 2842, 3016, 3038, 3185, 3224, 3248, 3430, 3472, 3596, 3640, 3770, 3920, 4030, 4060, 4340, 4459, 4495, 5096, 5278, 5488, 5642, 5684, 6032, 6076, 6293, 6370, 6448, 6860, 7105, 7192, 7280, 7540, 7595, 8060, 8120, 8680, 8918, 8990, 9947, 10192, 10556, 10633, 11284, 11368, 11687, 12152, 12586, 12740, 13195, 13720, 14105, 14210, 14384, 15080, 15190, 16120, 16240, 17360, 17836, 17980, 18473, 19747, 19894, 21112, 21266, 22295, 22568, 22736, 23374, 24304, 25172, 25480, 26390, 27440, 28210, 28420, 30160, 30380, 31465, 32240, 35672, 35960, 36946, 39494, 39788, 42224, 42532, 44051, 44590, 45136, 46748, 49735, 50344, 50960, 52780, 53165, 56420, 56840, 58435, 60760, 62930, 71344, 71920, 73892, 78988, 79576, 81809, 85064, 88102, 89180, 92365, 93496, 98735, 99470, 100688, 105560, 106330, 112840, 113680, 116870, 121520, 125860, 129311, 138229, 147784, 157976, 159152, 163618, 170128, 176204, 178360, 184730, 186992, 197470, 198940, 211120, 212660, 220255, 225680, 233740, 251720, 258622, 276458, 295568, 308357, 315952, 327236, 352408, 356720, 369460, 394940, 397880, 409045, 425320, 440510, 467480, 503440, 517244, 552916, 572663, 616714, 646555, 654472, 691145, 704816, 738920, 789880, 795760, 818090, 850640, 881020, 934960, 1034488, 1105832, 1145326, 1233428, 1293110, 1308944, 1382290, 1477840, 1541785, 1579760, 1636180, 1762040, 2068976, 2211664, 2290652, 2466856, 2586220, 2764580, 2863315, 3083570, 3272360, 3524080, 4008641, 4581304, 4933712, 5172440, 5529160, 5726630, 6167140, 6544720, 8017282, 9162608, 10344880, 11058320, 11453260, 12334280, 16034564, 20043205, 22906520, 24668560, 32069128, 40086410, 45813040, 64138256, 80172820, 160345640, 320691280]

約数ペア:

[(1, 320691280), (2, 160345640), (4, 80172820), (5, 64138256), (7, 45813040), (8, 40086410), (10, 32069128), (13, 24668560), (14, 22906520), (16, 20043205), (20, 16034564), (26, 12334280), (28, 11453260), (29, 11058320), (31, 10344880), (35, 9162608), (40, 8017282), (49, 6544720), (52, 6167140), (56, 5726630), (58, 5529160), (62, 5172440), (65, 4933712), (70, 4581304), (80, 4008641), (91, 3524080), (98, 3272360), (104, 3083570), (112, 2863315), (116, 2764580), (124, 2586220), (130, 2466856), (140, 2290652), (145, 2211664), (155, 2068976), (182, 1762040), (196, 1636180), (203, 1579760), (208, 1541785), (217, 1477840), (232, 1382290), (245, 1308944), (248, 1293110), (260, 1233428), (280, 1145326), (290, 1105832), (310, 1034488), (343, 934960), (364, 881020), (377, 850640), (392, 818090), (403, 795760), (406, 789880), (434, 738920), (455, 704816), (464, 691145), (490, 654472), (496, 646555), (520, 616714), (560, 572663), (580, 552916), (620, 517244), (637, 503440), (686, 467480), (728, 440510), (754, 425320), (784, 409045), (806, 397880), (812, 394940), (868, 369460), (899, 356720), (910, 352408), (980, 327236), (1015, 315952), (1040, 308357), (1085, 295568), (1160, 276458), (1240, 258622), (1274, 251720), (1372, 233740), (1421, 225680), (1456, 220255), (1508, 212660), (1519, 211120), (1612, 198940), (1624, 197470), (1715, 186992), (1736, 184730), (1798, 178360), (1820, 176204), (1885, 170128), (1960, 163618), (2015, 159152), (2030, 157976), (2170, 147784), (2320, 138229), (2480, 129311), (2548, 125860), (2639, 121520), (2744, 116870), (2821, 113680), (2842, 112840), (3016, 106330), (3038, 105560), (3185, 100688), (3224, 99470), (3248, 98735), (3430, 93496), (3472, 92365), (3596, 89180), (3640, 88102), (3770, 85064), (3920, 81809), (4030, 79576), (4060, 78988), (4340, 73892), (4459, 71920), (4495, 71344), (5096, 62930), (5278, 60760), (5488, 58435), (5642, 56840), (5684, 56420), (6032, 53165), (6076, 52780), (6293, 50960), (6370, 50344), (6448, 49735), (6860, 46748), (7105, 45136), (7192, 44590), (7280, 44051), (7540, 42532), (7595, 42224), (8060, 39788), (8120, 39494), (8680, 36946), (8918, 35960), (8990, 35672), (9947, 32240), (10192, 31465), (10556, 30380), (10633, 30160), (11284, 28420), (11368, 28210), (11687, 27440), (12152, 26390), (12586, 25480), (12740, 25172), (13195, 24304), (13720, 23374), (14105, 22736), (14210, 22568), (14384, 22295), (15080, 21266), (15190, 21112), (16120, 19894), (16240, 19747), (17360, 18473), (17836, 17980)]