217008720

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{61}}^2$

素因数の和:153

約数の個数: 210

約数和(自身を含む): 769076334

約数和(自身を除く): 552067614

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 108, 120, 122, 135, 144, 162, 180, 183, 216, 240, 243, 244, 270, 305, 324, 360, 366, 405, 432, 486, 488, 540, 549, 610, 648, 720, 729, 732, 810, 915, 972, 976, 1080, 1098, 1215, 1220, 1296, 1458, 1464, 1620, 1647, 1830, 1944, 2160, 2196, 2430, 2440, 2745, 2916, 2928, 3240, 3294, 3645, 3660, 3721, 3888, 4392, 4860, 4880, 4941, 5490, 5832, 6480, 6588, 7290, 7320, 7442, 8235, 8784, 9720, 9882, 10980, 11163, 11664, 13176, 14580, 14640, 14823, 14884, 16470, 18605, 19440, 19764, 21960, 22326, 24705, 26352, 29160, 29646, 29768, 32940, 33489, 37210, 39528, 43920, 44469, 44652, 49410, 55815, 58320, 59292, 59536, 65880, 66978, 74115, 74420, 79056, 88938, 89304, 98820, 100467, 111630, 118584, 131760, 133956, 148230, 148840, 167445, 177876, 178608, 197640, 200934, 222345, 223260, 237168, 267912, 296460, 297680, 301401, 334890, 355752, 395280, 401868, 444690, 446520, 502335, 535824, 592920, 602802, 669780, 711504, 803736, 889380, 893040, 904203, 1004670, 1185840, 1205604, 1339560, 1507005, 1607472, 1778760, 1808406, 2009340, 2411208, 2679120, 2712609, 3014010, 3557520, 3616812, 4018680, 4521015, 4822416, 5425218, 6028020, 7233624, 8037360, 9042030, 10850436, 12056040, 13563045, 14467248, 18084060, 21700872, 24112080, 27126090, 36168120, 43401744, 54252180, 72336240, 108504360, 217008720]

約数ペア:

[(1, 217008720), (2, 108504360), (3, 72336240), (4, 54252180), (5, 43401744), (6, 36168120), (8, 27126090), (9, 24112080), (10, 21700872), (12, 18084060), (15, 14467248), (16, 13563045), (18, 12056040), (20, 10850436), (24, 9042030), (27, 8037360), (30, 7233624), (36, 6028020), (40, 5425218), (45, 4822416), (48, 4521015), (54, 4018680), (60, 3616812), (61, 3557520), (72, 3014010), (80, 2712609), (81, 2679120), (90, 2411208), (108, 2009340), (120, 1808406), (122, 1778760), (135, 1607472), (144, 1507005), (162, 1339560), (180, 1205604), (183, 1185840), (216, 1004670), (240, 904203), (243, 893040), (244, 889380), (270, 803736), (305, 711504), (324, 669780), (360, 602802), (366, 592920), (405, 535824), (432, 502335), (486, 446520), (488, 444690), (540, 401868), (549, 395280), (610, 355752), (648, 334890), (720, 301401), (729, 297680), (732, 296460), (810, 267912), (915, 237168), (972, 223260), (976, 222345), (1080, 200934), (1098, 197640), (1215, 178608), (1220, 177876), (1296, 167445), (1458, 148840), (1464, 148230), (1620, 133956), (1647, 131760), (1830, 118584), (1944, 111630), (2160, 100467), (2196, 98820), (2430, 89304), (2440, 88938), (2745, 79056), (2916, 74420), (2928, 74115), (3240, 66978), (3294, 65880), (3645, 59536), (3660, 59292), (3721, 58320), (3888, 55815), (4392, 49410), (4860, 44652), (4880, 44469), (4941, 43920), (5490, 39528), (5832, 37210), (6480, 33489), (6588, 32940), (7290, 29768), (7320, 29646), (7442, 29160), (8235, 26352), (8784, 24705), (9720, 22326), (9882, 21960), (10980, 19764), (11163, 19440), (11664, 18605), (13176, 16470), (14580, 14884), (14640, 14823)]