210921480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1129

約数の個数: 288

約数和(自身を含む): 870704640

約数和(自身を除く): 659783160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 220, 231, 245, 252, 264, 280, 294, 308, 315, 330, 360, 385, 392, 396, 420, 440, 441, 462, 490, 495, 504, 539, 588, 616, 630, 660, 693, 735, 770, 792, 840, 882, 924, 980, 990, 1078, 1087, 1155, 1176, 1260, 1320, 1386, 1470, 1540, 1617, 1764, 1848, 1960, 1980, 2156, 2174, 2205, 2310, 2520, 2695, 2772, 2940, 3080, 3234, 3261, 3465, 3528, 3960, 4312, 4348, 4410, 4620, 4851, 5390, 5435, 5544, 5880, 6468, 6522, 6930, 7609, 8085, 8696, 8820, 9240, 9702, 9783, 10780, 10870, 11957, 12936, 13044, 13860, 15218, 16170, 16305, 17640, 19404, 19566, 21560, 21740, 22827, 23914, 24255, 26088, 27720, 30436, 32340, 32610, 35871, 38045, 38808, 39132, 43480, 45654, 47828, 48510, 48915, 53263, 59785, 60872, 64680, 65220, 68481, 71742, 76090, 78264, 83699, 91308, 95656, 97020, 97830, 106526, 107613, 114135, 119570, 130440, 136962, 143484, 152180, 159789, 167398, 179355, 182616, 194040, 195660, 213052, 215226, 228270, 239140, 251097, 266315, 273924, 286968, 304360, 319578, 334796, 342405, 358710, 391320, 418495, 426104, 430452, 456540, 478280, 479367, 502194, 532630, 538065, 547848, 585893, 639156, 669592, 684810, 717420, 753291, 798945, 836990, 860904, 913080, 958734, 1004388, 1065260, 1076130, 1171786, 1255485, 1278312, 1369620, 1434840, 1506582, 1597890, 1673980, 1757679, 1917468, 2008776, 2130520, 2152260, 2343572, 2396835, 2510970, 2739240, 2929465, 3013164, 3195780, 3347960, 3515358, 3766455, 3834936, 4304520, 4687144, 4793670, 5021940, 5273037, 5858930, 6026328, 6391560, 7030716, 7532910, 8788395, 9587340, 10043880, 10546074, 11717860, 14061432, 15065820, 17576790, 19174680, 21092148, 23435720, 26365185, 30131640, 35153580, 42184296, 52730370, 70307160, 105460740, 210921480]

約数ペア:

[(1, 210921480), (2, 105460740), (3, 70307160), (4, 52730370), (5, 42184296), (6, 35153580), (7, 30131640), (8, 26365185), (9, 23435720), (10, 21092148), (11, 19174680), (12, 17576790), (14, 15065820), (15, 14061432), (18, 11717860), (20, 10546074), (21, 10043880), (22, 9587340), (24, 8788395), (28, 7532910), (30, 7030716), (33, 6391560), (35, 6026328), (36, 5858930), (40, 5273037), (42, 5021940), (44, 4793670), (45, 4687144), (49, 4304520), (55, 3834936), (56, 3766455), (60, 3515358), (63, 3347960), (66, 3195780), (70, 3013164), (72, 2929465), (77, 2739240), (84, 2510970), (88, 2396835), (90, 2343572), (98, 2152260), (99, 2130520), (105, 2008776), (110, 1917468), (120, 1757679), (126, 1673980), (132, 1597890), (140, 1506582), (147, 1434840), (154, 1369620), (165, 1278312), (168, 1255485), (180, 1171786), (196, 1076130), (198, 1065260), (210, 1004388), (220, 958734), (231, 913080), (245, 860904), (252, 836990), (264, 798945), (280, 753291), (294, 717420), (308, 684810), (315, 669592), (330, 639156), (360, 585893), (385, 547848), (392, 538065), (396, 532630), (420, 502194), (440, 479367), (441, 478280), (462, 456540), (490, 430452), (495, 426104), (504, 418495), (539, 391320), (588, 358710), (616, 342405), (630, 334796), (660, 319578), (693, 304360), (735, 286968), (770, 273924), (792, 266315), (840, 251097), (882, 239140), (924, 228270), (980, 215226), (990, 213052), (1078, 195660), (1087, 194040), (1155, 182616), (1176, 179355), (1260, 167398), (1320, 159789), (1386, 152180), (1470, 143484), (1540, 136962), (1617, 130440), (1764, 119570), (1848, 114135), (1960, 107613), (1980, 106526), (2156, 97830), (2174, 97020), (2205, 95656), (2310, 91308), (2520, 83699), (2695, 78264), (2772, 76090), (2940, 71742), (3080, 68481), (3234, 65220), (3261, 64680), (3465, 60872), (3528, 59785), (3960, 53263), (4312, 48915), (4348, 48510), (4410, 47828), (4620, 45654), (4851, 43480), (5390, 39132), (5435, 38808), (5544, 38045), (5880, 35871), (6468, 32610), (6522, 32340), (6930, 30436), (7609, 27720), (8085, 26088), (8696, 24255), (8820, 23914), (9240, 22827), (9702, 21740), (9783, 21560), (10780, 19566), (10870, 19404), (11957, 17640), (12936, 16305), (13044, 16170), (13860, 15218)]