211671720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 192

約数和(自身を含む): 765273600

約数和(自身を除く): 553601880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1459, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 2918, 3224, 3627, 3720, 4030, 4377, 4680, 4836, 5580, 5836, 6045, 7254, 7295, 8060, 8754, 9672, 11160, 11672, 12090, 13131, 14508, 14590, 16120, 17508, 18135, 18967, 21885, 24180, 26262, 29016, 29180, 35016, 36270, 37934, 43770, 45229, 48360, 52524, 56901, 58360, 65655, 72540, 75868, 87540, 90458, 94835, 105048, 113802, 131310, 135687, 145080, 151736, 170703, 175080, 180916, 189670, 226145, 227604, 262620, 271374, 284505, 341406, 361832, 379340, 407061, 452290, 455208, 525240, 542748, 569010, 587977, 678435, 682812, 758680, 814122, 853515, 904580, 1085496, 1138020, 1175954, 1356870, 1365624, 1628244, 1707030, 1763931, 1809160, 2035305, 2276040, 2351908, 2713740, 2939885, 3256488, 3414060, 3527862, 4070610, 4703816, 5291793, 5427480, 5879770, 6828120, 7055724, 8141220, 8819655, 10583586, 11759540, 14111448, 16282440, 17639310, 21167172, 23519080, 26458965, 35278620, 42334344, 52917930, 70557240, 105835860, 211671720]

約数ペア:

[(1, 211671720), (2, 105835860), (3, 70557240), (4, 52917930), (5, 42334344), (6, 35278620), (8, 26458965), (9, 23519080), (10, 21167172), (12, 17639310), (13, 16282440), (15, 14111448), (18, 11759540), (20, 10583586), (24, 8819655), (26, 8141220), (30, 7055724), (31, 6828120), (36, 5879770), (39, 5427480), (40, 5291793), (45, 4703816), (52, 4070610), (60, 3527862), (62, 3414060), (65, 3256488), (72, 2939885), (78, 2713740), (90, 2351908), (93, 2276040), (104, 2035305), (117, 1809160), (120, 1763931), (124, 1707030), (130, 1628244), (155, 1365624), (156, 1356870), (180, 1175954), (186, 1138020), (195, 1085496), (234, 904580), (248, 853515), (260, 814122), (279, 758680), (310, 682812), (312, 678435), (360, 587977), (372, 569010), (390, 542748), (403, 525240), (465, 455208), (468, 452290), (520, 407061), (558, 379340), (585, 361832), (620, 341406), (744, 284505), (780, 271374), (806, 262620), (930, 227604), (936, 226145), (1116, 189670), (1170, 180916), (1209, 175080), (1240, 170703), (1395, 151736), (1459, 145080), (1560, 135687), (1612, 131310), (1860, 113802), (2015, 105048), (2232, 94835), (2340, 90458), (2418, 87540), (2790, 75868), (2918, 72540), (3224, 65655), (3627, 58360), (3720, 56901), (4030, 52524), (4377, 48360), (4680, 45229), (4836, 43770), (5580, 37934), (5836, 36270), (6045, 35016), (7254, 29180), (7295, 29016), (8060, 26262), (8754, 24180), (9672, 21885), (11160, 18967), (11672, 18135), (12090, 17508), (13131, 16120), (14508, 14590)]