211961880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:551

約数の個数: 256

約数和(自身を含む): 787046400

約数和(自身を除く): 575084520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 465, 468, 487, 520, 540, 558, 585, 620, 702, 744, 780, 806, 837, 930, 936, 974, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1461, 1560, 1612, 1674, 1755, 1860, 1948, 2015, 2232, 2340, 2418, 2435, 2790, 2808, 2922, 3224, 3348, 3510, 3627, 3720, 3896, 4030, 4185, 4383, 4680, 4836, 4870, 5580, 5844, 6045, 6331, 6696, 7020, 7254, 7305, 8060, 8370, 8766, 9672, 9740, 10881, 11160, 11688, 12090, 12662, 13149, 14040, 14508, 14610, 15097, 16120, 16740, 17532, 18135, 18993, 19480, 21762, 21915, 24180, 25324, 26298, 29016, 29220, 30194, 31655, 33480, 35064, 36270, 37986, 43524, 43830, 45291, 48360, 50648, 52596, 54405, 56979, 58440, 60388, 63310, 65745, 72540, 75485, 75972, 87048, 87660, 90582, 94965, 105192, 108810, 113958, 120776, 126620, 131490, 135873, 145080, 150970, 151944, 170937, 175320, 181164, 189930, 196261, 217620, 226455, 227916, 253240, 262980, 271746, 284895, 301940, 341874, 362328, 379860, 392522, 407619, 435240, 452910, 455832, 525960, 543492, 569790, 588783, 603880, 679365, 683748, 759720, 785044, 815238, 854685, 905820, 981305, 1086984, 1139580, 1177566, 1358730, 1367496, 1570088, 1630476, 1709370, 1766349, 1811640, 1962610, 2038095, 2279160, 2355132, 2717460, 2943915, 3260952, 3418740, 3532698, 3925220, 4076190, 4710264, 5299047, 5434920, 5887830, 6837480, 7065396, 7850440, 8152380, 8831745, 10598094, 11775660, 14130792, 16304760, 17663490, 21196188, 23551320, 26495235, 35326980, 42392376, 52990470, 70653960, 105980940, 211961880]

約数ペア:

[(1, 211961880), (2, 105980940), (3, 70653960), (4, 52990470), (5, 42392376), (6, 35326980), (8, 26495235), (9, 23551320), (10, 21196188), (12, 17663490), (13, 16304760), (15, 14130792), (18, 11775660), (20, 10598094), (24, 8831745), (26, 8152380), (27, 7850440), (30, 7065396), (31, 6837480), (36, 5887830), (39, 5434920), (40, 5299047), (45, 4710264), (52, 4076190), (54, 3925220), (60, 3532698), (62, 3418740), (65, 3260952), (72, 2943915), (78, 2717460), (90, 2355132), (93, 2279160), (104, 2038095), (108, 1962610), (117, 1811640), (120, 1766349), (124, 1709370), (130, 1630476), (135, 1570088), (155, 1367496), (156, 1358730), (180, 1177566), (186, 1139580), (195, 1086984), (216, 981305), (234, 905820), (248, 854685), (260, 815238), (270, 785044), (279, 759720), (310, 683748), (312, 679365), (351, 603880), (360, 588783), (372, 569790), (390, 543492), (403, 525960), (465, 455832), (468, 452910), (487, 435240), (520, 407619), (540, 392522), (558, 379860), (585, 362328), (620, 341874), (702, 301940), (744, 284895), (780, 271746), (806, 262980), (837, 253240), (930, 227916), (936, 226455), (974, 217620), (1080, 196261), (1116, 189930), (1170, 181164), (1209, 175320), (1240, 170937), (1395, 151944), (1404, 150970), (1461, 145080), (1560, 135873), (1612, 131490), (1674, 126620), (1755, 120776), (1860, 113958), (1948, 108810), (2015, 105192), (2232, 94965), (2340, 90582), (2418, 87660), (2435, 87048), (2790, 75972), (2808, 75485), (2922, 72540), (3224, 65745), (3348, 63310), (3510, 60388), (3627, 58440), (3720, 56979), (3896, 54405), (4030, 52596), (4185, 50648), (4383, 48360), (4680, 45291), (4836, 43830), (4870, 43524), (5580, 37986), (5844, 36270), (6045, 35064), (6331, 33480), (6696, 31655), (7020, 30194), (7254, 29220), (7305, 29016), (8060, 26298), (8370, 25324), (8766, 24180), (9672, 21915), (9740, 21762), (10881, 19480), (11160, 18993), (11688, 18135), (12090, 17532), (12662, 16740), (13149, 16120), (14040, 15097), (14508, 14610)]