248499720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3236

約数の個数: 192

約数和(自身を含む): 953072640

約数和(自身を除く): 704572920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3181, 3255, 3720, 3906, 4340, 5208, 5580, 6362, 6510, 7812, 8680, 9543, 9765, 11160, 12724, 13020, 15624, 15905, 19086, 19530, 22267, 25448, 26040, 28629, 31810, 38172, 39060, 44534, 47715, 57258, 63620, 66801, 76344, 78120, 89068, 95430, 98611, 111335, 114516, 127240, 133602, 143145, 178136, 190860, 197222, 200403, 222670, 229032, 267204, 286290, 295833, 334005, 381720, 394444, 400806, 445340, 493055, 534408, 572580, 591666, 668010, 690277, 788888, 801612, 887499, 890680, 986110, 1002015, 1145160, 1183332, 1336020, 1380554, 1479165, 1603224, 1774998, 1972220, 2004030, 2070831, 2366664, 2672040, 2761108, 2958330, 3451385, 3549996, 3944440, 4008060, 4141662, 4437495, 5522216, 5916660, 6212493, 6902770, 7099992, 8016120, 8283324, 8874990, 10354155, 11833320, 12424986, 13805540, 16566648, 17749980, 20708310, 24849972, 27611080, 31062465, 35499960, 41416620, 49699944, 62124930, 82833240, 124249860, 248499720]

約数ペア:

[(1, 248499720), (2, 124249860), (3, 82833240), (4, 62124930), (5, 49699944), (6, 41416620), (7, 35499960), (8, 31062465), (9, 27611080), (10, 24849972), (12, 20708310), (14, 17749980), (15, 16566648), (18, 13805540), (20, 12424986), (21, 11833320), (24, 10354155), (28, 8874990), (30, 8283324), (31, 8016120), (35, 7099992), (36, 6902770), (40, 6212493), (42, 5916660), (45, 5522216), (56, 4437495), (60, 4141662), (62, 4008060), (63, 3944440), (70, 3549996), (72, 3451385), (84, 2958330), (90, 2761108), (93, 2672040), (105, 2366664), (120, 2070831), (124, 2004030), (126, 1972220), (140, 1774998), (155, 1603224), (168, 1479165), (180, 1380554), (186, 1336020), (210, 1183332), (217, 1145160), (248, 1002015), (252, 986110), (279, 890680), (280, 887499), (310, 801612), (315, 788888), (360, 690277), (372, 668010), (420, 591666), (434, 572580), (465, 534408), (504, 493055), (558, 445340), (620, 400806), (630, 394444), (651, 381720), (744, 334005), (840, 295833), (868, 286290), (930, 267204), (1085, 229032), (1116, 222670), (1240, 200403), (1260, 197222), (1302, 190860), (1395, 178136), (1736, 143145), (1860, 133602), (1953, 127240), (2170, 114516), (2232, 111335), (2520, 98611), (2604, 95430), (2790, 89068), (3181, 78120), (3255, 76344), (3720, 66801), (3906, 63620), (4340, 57258), (5208, 47715), (5580, 44534), (6362, 39060), (6510, 38172), (7812, 31810), (8680, 28629), (9543, 26040), (9765, 25448), (11160, 22267), (12724, 19530), (13020, 19086), (15624, 15905)]