281228640

素因数分解:

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

素因数の和:1130

約数の個数: 288

約数和(自身を含む): 1125218304

約数和(自身を除く): 843989664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 420, 440, 462, 480, 490, 528, 539, 560, 588, 616, 660, 672, 735, 770, 784, 840, 880, 924, 980, 1056, 1078, 1087, 1120, 1155, 1176, 1232, 1320, 1470, 1540, 1568, 1617, 1680, 1760, 1848, 1960, 2156, 2174, 2310, 2352, 2464, 2640, 2695, 2940, 3080, 3234, 3261, 3360, 3696, 3920, 4312, 4348, 4620, 4704, 5280, 5390, 5435, 5880, 6160, 6468, 6522, 7392, 7609, 7840, 8085, 8624, 8696, 9240, 10780, 10870, 11760, 11957, 12320, 12936, 13044, 15218, 16170, 16305, 17248, 17392, 18480, 21560, 21740, 22827, 23520, 23914, 25872, 26088, 30436, 32340, 32610, 34784, 35871, 36960, 38045, 43120, 43480, 45654, 47828, 51744, 52176, 53263, 59785, 60872, 64680, 65220, 71742, 76090, 83699, 86240, 86960, 91308, 95656, 104352, 106526, 114135, 119570, 121744, 129360, 130440, 143484, 152180, 159789, 167398, 173920, 179355, 182616, 191312, 213052, 228270, 239140, 243488, 251097, 258720, 260880, 266315, 286968, 304360, 319578, 334796, 358710, 365232, 382624, 418495, 426104, 456540, 478280, 502194, 521760, 532630, 573936, 585893, 608720, 639156, 669592, 717420, 730464, 798945, 836990, 852208, 913080, 956560, 1004388, 1065260, 1147872, 1171786, 1217440, 1255485, 1278312, 1339184, 1434840, 1597890, 1673980, 1704416, 1757679, 1826160, 1913120, 2008776, 2130520, 2343572, 2510970, 2556624, 2678368, 2869680, 2929465, 3195780, 3347960, 3515358, 3652320, 4017552, 4261040, 4687144, 5021940, 5113248, 5739360, 5858930, 6391560, 6695920, 7030716, 8035104, 8522080, 8788395, 9374288, 10043880, 11717860, 12783120, 13391840, 14061432, 17576790, 18748576, 20087760, 23435720, 25566240, 28122864, 35153580, 40175520, 46871440, 56245728, 70307160, 93742880, 140614320, 281228640]

約数ペア:

[(1, 281228640), (2, 140614320), (3, 93742880), (4, 70307160), (5, 56245728), (6, 46871440), (7, 40175520), (8, 35153580), (10, 28122864), (11, 25566240), (12, 23435720), (14, 20087760), (15, 18748576), (16, 17576790), (20, 14061432), (21, 13391840), (22, 12783120), (24, 11717860), (28, 10043880), (30, 9374288), (32, 8788395), (33, 8522080), (35, 8035104), (40, 7030716), (42, 6695920), (44, 6391560), (48, 5858930), (49, 5739360), (55, 5113248), (56, 5021940), (60, 4687144), (66, 4261040), (70, 4017552), (77, 3652320), (80, 3515358), (84, 3347960), (88, 3195780), (96, 2929465), (98, 2869680), (105, 2678368), (110, 2556624), (112, 2510970), (120, 2343572), (132, 2130520), (140, 2008776), (147, 1913120), (154, 1826160), (160, 1757679), (165, 1704416), (168, 1673980), (176, 1597890), (196, 1434840), (210, 1339184), (220, 1278312), (224, 1255485), (231, 1217440), (240, 1171786), (245, 1147872), (264, 1065260), (280, 1004388), (294, 956560), (308, 913080), (330, 852208), (336, 836990), (352, 798945), (385, 730464), (392, 717420), (420, 669592), (440, 639156), (462, 608720), (480, 585893), (490, 573936), (528, 532630), (539, 521760), (560, 502194), (588, 478280), (616, 456540), (660, 426104), (672, 418495), (735, 382624), (770, 365232), (784, 358710), (840, 334796), (880, 319578), (924, 304360), (980, 286968), (1056, 266315), (1078, 260880), (1087, 258720), (1120, 251097), (1155, 243488), (1176, 239140), (1232, 228270), (1320, 213052), (1470, 191312), (1540, 182616), (1568, 179355), (1617, 173920), (1680, 167398), (1760, 159789), (1848, 152180), (1960, 143484), (2156, 130440), (2174, 129360), (2310, 121744), (2352, 119570), (2464, 114135), (2640, 106526), (2695, 104352), (2940, 95656), (3080, 91308), (3234, 86960), (3261, 86240), (3360, 83699), (3696, 76090), (3920, 71742), (4312, 65220), (4348, 64680), (4620, 60872), (4704, 59785), (5280, 53263), (5390, 52176), (5435, 51744), (5880, 47828), (6160, 45654), (6468, 43480), (6522, 43120), (7392, 38045), (7609, 36960), (7840, 35871), (8085, 34784), (8624, 32610), (8696, 32340), (9240, 30436), (10780, 26088), (10870, 25872), (11760, 23914), (11957, 23520), (12320, 22827), (12936, 21740), (13044, 21560), (15218, 18480), (16170, 17392), (16305, 17248)]