18782280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 320

約数和(自身を含む): 75271680

約数和(自身を除く): 56489400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 27, 30, 31, 33, 34, 36, 40, 44, 45, 51, 54, 55, 60, 62, 66, 68, 72, 81, 85, 88, 90, 93, 99, 102, 108, 110, 120, 124, 132, 135, 136, 153, 155, 162, 165, 170, 180, 186, 187, 198, 204, 216, 220, 248, 255, 264, 270, 279, 297, 306, 310, 324, 330, 340, 341, 360, 372, 374, 396, 405, 408, 440, 459, 465, 495, 510, 527, 540, 558, 561, 594, 612, 620, 648, 660, 680, 682, 744, 748, 765, 792, 810, 837, 891, 918, 930, 935, 990, 1020, 1023, 1054, 1080, 1116, 1122, 1188, 1224, 1240, 1320, 1364, 1377, 1395, 1485, 1496, 1530, 1581, 1620, 1674, 1683, 1705, 1782, 1836, 1860, 1870, 1980, 2040, 2046, 2108, 2232, 2244, 2295, 2376, 2511, 2635, 2728, 2754, 2790, 2805, 2970, 3060, 3069, 3162, 3240, 3348, 3366, 3410, 3564, 3672, 3720, 3740, 3960, 4092, 4185, 4216, 4455, 4488, 4590, 4743, 5022, 5049, 5115, 5270, 5508, 5580, 5610, 5797, 5940, 6120, 6138, 6324, 6696, 6732, 6820, 6885, 7128, 7480, 7905, 8184, 8370, 8415, 8910, 9180, 9207, 9486, 10044, 10098, 10230, 10540, 11016, 11160, 11220, 11594, 11880, 12276, 12555, 12648, 13464, 13640, 13770, 14229, 15147, 15345, 15810, 16740, 16830, 17391, 17820, 18360, 18414, 18972, 20088, 20196, 20460, 21080, 22440, 23188, 23715, 24552, 25110, 25245, 27540, 27621, 28458, 28985, 30294, 30690, 31620, 33480, 33660, 34782, 35640, 36828, 37944, 40392, 40920, 42687, 46035, 46376, 47430, 50220, 50490, 52173, 55080, 55242, 56916, 57970, 60588, 61380, 63240, 67320, 69564, 71145, 73656, 75735, 85374, 86955, 92070, 94860, 100440, 100980, 104346, 110484, 113832, 115940, 121176, 122760, 138105, 139128, 142290, 151470, 156519, 170748, 173910, 184140, 189720, 201960, 208692, 213435, 220968, 231880, 260865, 276210, 284580, 302940, 313038, 341496, 347820, 368280, 417384, 426870, 469557, 521730, 552420, 569160, 605880, 626076, 695640, 782595, 853740, 939114, 1043460, 1104840, 1252152, 1565190, 1707480, 1878228, 2086920, 2347785, 3130380, 3756456, 4695570, 6260760, 9391140, 18782280]

約数ペア:

[(1, 18782280), (2, 9391140), (3, 6260760), (4, 4695570), (5, 3756456), (6, 3130380), (8, 2347785), (9, 2086920), (10, 1878228), (11, 1707480), (12, 1565190), (15, 1252152), (17, 1104840), (18, 1043460), (20, 939114), (22, 853740), (24, 782595), (27, 695640), (30, 626076), (31, 605880), (33, 569160), (34, 552420), (36, 521730), (40, 469557), (44, 426870), (45, 417384), (51, 368280), (54, 347820), (55, 341496), (60, 313038), (62, 302940), (66, 284580), (68, 276210), (72, 260865), (81, 231880), (85, 220968), (88, 213435), (90, 208692), (93, 201960), (99, 189720), (102, 184140), (108, 173910), (110, 170748), (120, 156519), (124, 151470), (132, 142290), (135, 139128), (136, 138105), (153, 122760), (155, 121176), (162, 115940), (165, 113832), (170, 110484), (180, 104346), (186, 100980), (187, 100440), (198, 94860), (204, 92070), (216, 86955), (220, 85374), (248, 75735), (255, 73656), (264, 71145), (270, 69564), (279, 67320), (297, 63240), (306, 61380), (310, 60588), (324, 57970), (330, 56916), (340, 55242), (341, 55080), (360, 52173), (372, 50490), (374, 50220), (396, 47430), (405, 46376), (408, 46035), (440, 42687), (459, 40920), (465, 40392), (495, 37944), (510, 36828), (527, 35640), (540, 34782), (558, 33660), (561, 33480), (594, 31620), (612, 30690), (620, 30294), (648, 28985), (660, 28458), (680, 27621), (682, 27540), (744, 25245), (748, 25110), (765, 24552), (792, 23715), (810, 23188), (837, 22440), (891, 21080), (918, 20460), (930, 20196), (935, 20088), (990, 18972), (1020, 18414), (1023, 18360), (1054, 17820), (1080, 17391), (1116, 16830), (1122, 16740), (1188, 15810), (1224, 15345), (1240, 15147), (1320, 14229), (1364, 13770), (1377, 13640), (1395, 13464), (1485, 12648), (1496, 12555), (1530, 12276), (1581, 11880), (1620, 11594), (1674, 11220), (1683, 11160), (1705, 11016), (1782, 10540), (1836, 10230), (1860, 10098), (1870, 10044), (1980, 9486), (2040, 9207), (2046, 9180), (2108, 8910), (2232, 8415), (2244, 8370), (2295, 8184), (2376, 7905), (2511, 7480), (2635, 7128), (2728, 6885), (2754, 6820), (2790, 6732), (2805, 6696), (2970, 6324), (3060, 6138), (3069, 6120), (3162, 5940), (3240, 5797), (3348, 5610), (3366, 5580), (3410, 5508), (3564, 5270), (3672, 5115), (3720, 5049), (3740, 5022), (3960, 4743), (4092, 4590), (4185, 4488), (4216, 4455)]