217905480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:592

約数の個数: 192

約数和(自身を含む): 771891120

約数和(自身を除く): 553985640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 101, 104, 117, 120, 130, 156, 180, 195, 202, 234, 260, 303, 312, 360, 390, 404, 461, 468, 505, 520, 585, 606, 780, 808, 909, 922, 936, 1010, 1170, 1212, 1313, 1383, 1515, 1560, 1818, 1844, 2020, 2305, 2340, 2424, 2626, 2766, 3030, 3636, 3688, 3939, 4040, 4149, 4545, 4610, 4680, 5252, 5532, 5993, 6060, 6565, 6915, 7272, 7878, 8298, 9090, 9220, 10504, 11064, 11817, 11986, 12120, 13130, 13830, 15756, 16596, 17979, 18180, 18440, 19695, 20745, 23634, 23972, 26260, 27660, 29965, 31512, 33192, 35958, 36360, 39390, 41490, 46561, 47268, 47944, 52520, 53937, 55320, 59085, 59930, 71916, 78780, 82980, 89895, 93122, 94536, 107874, 118170, 119860, 139683, 143832, 157560, 165960, 179790, 186244, 215748, 232805, 236340, 239720, 269685, 279366, 359580, 372488, 419049, 431496, 465610, 472680, 539370, 558732, 605293, 698415, 719160, 838098, 931220, 1078740, 1117464, 1210586, 1396830, 1676196, 1815879, 1862440, 2095245, 2157480, 2421172, 2793660, 3026465, 3352392, 3631758, 4190490, 4842344, 5447637, 5587320, 6052930, 7263516, 8380980, 9079395, 10895274, 12105860, 14527032, 16761960, 18158790, 21790548, 24211720, 27238185, 36317580, 43581096, 54476370, 72635160, 108952740, 217905480]

約数ペア:

[(1, 217905480), (2, 108952740), (3, 72635160), (4, 54476370), (5, 43581096), (6, 36317580), (8, 27238185), (9, 24211720), (10, 21790548), (12, 18158790), (13, 16761960), (15, 14527032), (18, 12105860), (20, 10895274), (24, 9079395), (26, 8380980), (30, 7263516), (36, 6052930), (39, 5587320), (40, 5447637), (45, 4842344), (52, 4190490), (60, 3631758), (65, 3352392), (72, 3026465), (78, 2793660), (90, 2421172), (101, 2157480), (104, 2095245), (117, 1862440), (120, 1815879), (130, 1676196), (156, 1396830), (180, 1210586), (195, 1117464), (202, 1078740), (234, 931220), (260, 838098), (303, 719160), (312, 698415), (360, 605293), (390, 558732), (404, 539370), (461, 472680), (468, 465610), (505, 431496), (520, 419049), (585, 372488), (606, 359580), (780, 279366), (808, 269685), (909, 239720), (922, 236340), (936, 232805), (1010, 215748), (1170, 186244), (1212, 179790), (1313, 165960), (1383, 157560), (1515, 143832), (1560, 139683), (1818, 119860), (1844, 118170), (2020, 107874), (2305, 94536), (2340, 93122), (2424, 89895), (2626, 82980), (2766, 78780), (3030, 71916), (3636, 59930), (3688, 59085), (3939, 55320), (4040, 53937), (4149, 52520), (4545, 47944), (4610, 47268), (4680, 46561), (5252, 41490), (5532, 39390), (5993, 36360), (6060, 35958), (6565, 33192), (6915, 31512), (7272, 29965), (7878, 27660), (8298, 26260), (9090, 23972), (9220, 23634), (10504, 20745), (11064, 19695), (11817, 18440), (11986, 18180), (12120, 17979), (13130, 16596), (13830, 15756)]