204744540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 288

約数和(自身を含む): 785078784

約数和(自身を除く): 580334244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 49, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 98, 105, 110, 130, 132, 140, 143, 147, 154, 156, 165, 182, 195, 196, 210, 220, 231, 245, 260, 273, 286, 294, 308, 330, 364, 385, 390, 420, 429, 455, 462, 487, 490, 539, 546, 572, 588, 637, 660, 715, 735, 770, 780, 858, 910, 924, 974, 980, 1001, 1078, 1092, 1155, 1274, 1365, 1430, 1461, 1470, 1540, 1617, 1716, 1820, 1911, 1948, 2002, 2145, 2156, 2310, 2435, 2548, 2695, 2730, 2860, 2922, 2940, 3003, 3185, 3234, 3409, 3822, 4004, 4290, 4620, 4870, 5005, 5357, 5390, 5460, 5844, 6006, 6331, 6370, 6468, 6818, 7007, 7305, 7644, 8085, 8580, 9555, 9740, 10010, 10227, 10714, 10780, 12012, 12662, 12740, 13636, 14014, 14610, 15015, 16071, 16170, 17045, 18993, 19110, 20020, 20454, 21021, 21428, 23863, 25324, 26785, 28028, 29220, 30030, 31655, 32142, 32340, 34090, 35035, 37499, 37986, 38220, 40908, 42042, 44317, 47726, 51135, 53570, 60060, 63310, 64284, 68180, 69641, 70070, 71589, 74998, 75972, 80355, 84084, 88634, 94965, 95452, 102270, 105105, 107140, 112497, 119315, 126620, 132951, 139282, 140140, 143178, 149996, 160710, 177268, 187495, 189930, 204540, 208923, 210210, 221585, 224994, 238630, 262493, 265902, 278564, 286356, 310219, 321420, 348205, 357945, 374990, 379860, 417846, 420420, 443170, 449988, 477260, 487487, 524986, 531804, 562485, 620438, 664755, 696410, 715890, 749980, 787479, 835692, 886340, 930657, 974974, 1044615, 1049972, 1124970, 1240876, 1312465, 1329510, 1392820, 1431780, 1462461, 1551095, 1574958, 1861314, 1949948, 2089230, 2249940, 2437435, 2624930, 2659020, 2924922, 3102190, 3149916, 3412409, 3722628, 3937395, 4178460, 4653285, 4874870, 5249860, 5849844, 6204380, 6824818, 7312305, 7874790, 9306570, 9749740, 10237227, 13649636, 14624610, 15749580, 17062045, 18613140, 20474454, 29249220, 34124090, 40948908, 51186135, 68248180, 102372270, 204744540]

約数ペア:

[(1, 204744540), (2, 102372270), (3, 68248180), (4, 51186135), (5, 40948908), (6, 34124090), (7, 29249220), (10, 20474454), (11, 18613140), (12, 17062045), (13, 15749580), (14, 14624610), (15, 13649636), (20, 10237227), (21, 9749740), (22, 9306570), (26, 7874790), (28, 7312305), (30, 6824818), (33, 6204380), (35, 5849844), (39, 5249860), (42, 4874870), (44, 4653285), (49, 4178460), (52, 3937395), (55, 3722628), (60, 3412409), (65, 3149916), (66, 3102190), (70, 2924922), (77, 2659020), (78, 2624930), (84, 2437435), (91, 2249940), (98, 2089230), (105, 1949948), (110, 1861314), (130, 1574958), (132, 1551095), (140, 1462461), (143, 1431780), (147, 1392820), (154, 1329510), (156, 1312465), (165, 1240876), (182, 1124970), (195, 1049972), (196, 1044615), (210, 974974), (220, 930657), (231, 886340), (245, 835692), (260, 787479), (273, 749980), (286, 715890), (294, 696410), (308, 664755), (330, 620438), (364, 562485), (385, 531804), (390, 524986), (420, 487487), (429, 477260), (455, 449988), (462, 443170), (487, 420420), (490, 417846), (539, 379860), (546, 374990), (572, 357945), (588, 348205), (637, 321420), (660, 310219), (715, 286356), (735, 278564), (770, 265902), (780, 262493), (858, 238630), (910, 224994), (924, 221585), (974, 210210), (980, 208923), (1001, 204540), (1078, 189930), (1092, 187495), (1155, 177268), (1274, 160710), (1365, 149996), (1430, 143178), (1461, 140140), (1470, 139282), (1540, 132951), (1617, 126620), (1716, 119315), (1820, 112497), (1911, 107140), (1948, 105105), (2002, 102270), (2145, 95452), (2156, 94965), (2310, 88634), (2435, 84084), (2548, 80355), (2695, 75972), (2730, 74998), (2860, 71589), (2922, 70070), (2940, 69641), (3003, 68180), (3185, 64284), (3234, 63310), (3409, 60060), (3822, 53570), (4004, 51135), (4290, 47726), (4620, 44317), (4870, 42042), (5005, 40908), (5357, 38220), (5390, 37986), (5460, 37499), (5844, 35035), (6006, 34090), (6331, 32340), (6370, 32142), (6468, 31655), (6818, 30030), (7007, 29220), (7305, 28028), (7644, 26785), (8085, 25324), (8580, 23863), (9555, 21428), (9740, 21021), (10010, 20454), (10227, 20020), (10714, 19110), (10780, 18993), (12012, 17045), (12662, 16170), (12740, 16071), (13636, 15015), (14014, 14610)]