72026640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 285981696

約数和(自身を除く): 213955056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 461, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 922, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1383, 1395, 1488, 1680, 1736, 1844, 1860, 1953, 2170, 2232, 2305, 2480, 2520, 2604, 2766, 2790, 3227, 3255, 3472, 3688, 3720, 3906, 4149, 4340, 4464, 4610, 5040, 5208, 5532, 5580, 6454, 6510, 6915, 7376, 7440, 7812, 8298, 8680, 9220, 9681, 9765, 10416, 11064, 11160, 12908, 13020, 13830, 14291, 15624, 16135, 16596, 17360, 18440, 19362, 19530, 20745, 22128, 22320, 25816, 26040, 27660, 28582, 29043, 31248, 32270, 33192, 36880, 38724, 39060, 41490, 42873, 48405, 51632, 52080, 55320, 57164, 58086, 64540, 66384, 71455, 77448, 78120, 82980, 85746, 96810, 100037, 110640, 114328, 116172, 128619, 129080, 142910, 145215, 154896, 156240, 165960, 171492, 193620, 200074, 214365, 228656, 232344, 257238, 258160, 285820, 290430, 300111, 331920, 342984, 387240, 400148, 428730, 464688, 500185, 514476, 571640, 580860, 600222, 643095, 685968, 774480, 800296, 857460, 900333, 1000370, 1028952, 1143280, 1161720, 1200444, 1286190, 1500555, 1600592, 1714920, 1800666, 2000740, 2057904, 2323440, 2400888, 2572380, 3001110, 3429840, 3601332, 4001480, 4501665, 4801776, 5144760, 6002220, 7202664, 8002960, 9003330, 10289520, 12004440, 14405328, 18006660, 24008880, 36013320, 72026640]

約数ペア:

[(1, 72026640), (2, 36013320), (3, 24008880), (4, 18006660), (5, 14405328), (6, 12004440), (7, 10289520), (8, 9003330), (9, 8002960), (10, 7202664), (12, 6002220), (14, 5144760), (15, 4801776), (16, 4501665), (18, 4001480), (20, 3601332), (21, 3429840), (24, 3001110), (28, 2572380), (30, 2400888), (31, 2323440), (35, 2057904), (36, 2000740), (40, 1800666), (42, 1714920), (45, 1600592), (48, 1500555), (56, 1286190), (60, 1200444), (62, 1161720), (63, 1143280), (70, 1028952), (72, 1000370), (80, 900333), (84, 857460), (90, 800296), (93, 774480), (105, 685968), (112, 643095), (120, 600222), (124, 580860), (126, 571640), (140, 514476), (144, 500185), (155, 464688), (168, 428730), (180, 400148), (186, 387240), (210, 342984), (217, 331920), (240, 300111), (248, 290430), (252, 285820), (279, 258160), (280, 257238), (310, 232344), (315, 228656), (336, 214365), (360, 200074), (372, 193620), (420, 171492), (434, 165960), (461, 156240), (465, 154896), (496, 145215), (504, 142910), (558, 129080), (560, 128619), (620, 116172), (630, 114328), (651, 110640), (720, 100037), (744, 96810), (840, 85746), (868, 82980), (922, 78120), (930, 77448), (1008, 71455), (1085, 66384), (1116, 64540), (1240, 58086), (1260, 57164), (1302, 55320), (1383, 52080), (1395, 51632), (1488, 48405), (1680, 42873), (1736, 41490), (1844, 39060), (1860, 38724), (1953, 36880), (2170, 33192), (2232, 32270), (2305, 31248), (2480, 29043), (2520, 28582), (2604, 27660), (2766, 26040), (2790, 25816), (3227, 22320), (3255, 22128), (3472, 20745), (3688, 19530), (3720, 19362), (3906, 18440), (4149, 17360), (4340, 16596), (4464, 16135), (4610, 15624), (5040, 14291), (5208, 13830), (5532, 13020), (5580, 12908), (6454, 11160), (6510, 11064), (6915, 10416), (7376, 9765), (7440, 9681), (7812, 9220), (8298, 8680)]