161570640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1290

約数の個数: 240

約数和(自身を含む): 636120000

約数和(自身を除く): 474549360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 528, 539, 560, 588, 616, 660, 735, 770, 784, 840, 880, 924, 980, 1078, 1155, 1176, 1232, 1249, 1320, 1470, 1540, 1617, 1680, 1848, 1960, 2156, 2310, 2352, 2498, 2640, 2695, 2940, 3080, 3234, 3696, 3747, 3920, 4312, 4620, 4996, 5390, 5880, 6160, 6245, 6468, 7494, 8085, 8624, 8743, 9240, 9992, 10780, 11760, 12490, 12936, 13739, 14988, 16170, 17486, 18480, 18735, 19984, 21560, 24980, 25872, 26229, 27478, 29976, 32340, 34972, 37470, 41217, 43120, 43715, 49960, 52458, 54956, 59952, 61201, 64680, 68695, 69944, 74940, 82434, 87430, 96173, 99920, 104916, 109912, 122402, 129360, 131145, 137390, 139888, 149880, 164868, 174860, 183603, 192346, 206085, 209832, 219824, 244804, 262290, 274780, 288519, 299760, 306005, 329736, 349720, 367206, 384692, 412170, 419664, 480865, 489608, 524580, 549560, 577038, 612010, 659472, 673211, 699440, 734412, 769384, 824340, 918015, 961730, 979216, 1049160, 1099120, 1154076, 1224020, 1346422, 1442595, 1468824, 1538768, 1648680, 1836030, 1923460, 2019633, 2098320, 2308152, 2448040, 2692844, 2885190, 2937648, 3297360, 3366055, 3672060, 3846920, 4039266, 4616304, 4896080, 5385688, 5770380, 6732110, 7344120, 7693840, 8078532, 10098165, 10771376, 11540760, 13464220, 14688240, 16157064, 20196330, 23081520, 26928440, 32314128, 40392660, 53856880, 80785320, 161570640]

約数ペア:

[(1, 161570640), (2, 80785320), (3, 53856880), (4, 40392660), (5, 32314128), (6, 26928440), (7, 23081520), (8, 20196330), (10, 16157064), (11, 14688240), (12, 13464220), (14, 11540760), (15, 10771376), (16, 10098165), (20, 8078532), (21, 7693840), (22, 7344120), (24, 6732110), (28, 5770380), (30, 5385688), (33, 4896080), (35, 4616304), (40, 4039266), (42, 3846920), (44, 3672060), (48, 3366055), (49, 3297360), (55, 2937648), (56, 2885190), (60, 2692844), (66, 2448040), (70, 2308152), (77, 2098320), (80, 2019633), (84, 1923460), (88, 1836030), (98, 1648680), (105, 1538768), (110, 1468824), (112, 1442595), (120, 1346422), (132, 1224020), (140, 1154076), (147, 1099120), (154, 1049160), (165, 979216), (168, 961730), (176, 918015), (196, 824340), (210, 769384), (220, 734412), (231, 699440), (240, 673211), (245, 659472), (264, 612010), (280, 577038), (294, 549560), (308, 524580), (330, 489608), (336, 480865), (385, 419664), (392, 412170), (420, 384692), (440, 367206), (462, 349720), (490, 329736), (528, 306005), (539, 299760), (560, 288519), (588, 274780), (616, 262290), (660, 244804), (735, 219824), (770, 209832), (784, 206085), (840, 192346), (880, 183603), (924, 174860), (980, 164868), (1078, 149880), (1155, 139888), (1176, 137390), (1232, 131145), (1249, 129360), (1320, 122402), (1470, 109912), (1540, 104916), (1617, 99920), (1680, 96173), (1848, 87430), (1960, 82434), (2156, 74940), (2310, 69944), (2352, 68695), (2498, 64680), (2640, 61201), (2695, 59952), (2940, 54956), (3080, 52458), (3234, 49960), (3696, 43715), (3747, 43120), (3920, 41217), (4312, 37470), (4620, 34972), (4996, 32340), (5390, 29976), (5880, 27478), (6160, 26229), (6245, 25872), (6468, 24980), (7494, 21560), (8085, 19984), (8624, 18735), (8743, 18480), (9240, 17486), (9992, 16170), (10780, 14988), (11760, 13739), (12490, 12936)]