28173420

素因数分解:

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

素因数の和:83

約数の個数: 288

約数和(自身を含む): 105670656

約数和(自身を除く): 77497236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 31, 33, 34, 36, 44, 45, 51, 54, 55, 60, 62, 66, 68, 81, 85, 90, 93, 99, 102, 108, 110, 124, 132, 135, 153, 155, 162, 165, 170, 180, 186, 187, 198, 204, 220, 243, 255, 270, 279, 297, 306, 310, 324, 330, 340, 341, 372, 374, 396, 405, 459, 465, 486, 495, 510, 527, 540, 558, 561, 594, 612, 620, 660, 682, 748, 765, 810, 837, 891, 918, 930, 935, 972, 990, 1020, 1023, 1054, 1116, 1122, 1188, 1215, 1364, 1377, 1395, 1485, 1530, 1581, 1620, 1674, 1683, 1705, 1782, 1836, 1860, 1870, 1980, 2046, 2108, 2244, 2295, 2430, 2511, 2635, 2673, 2754, 2790, 2805, 2970, 3060, 3069, 3162, 3348, 3366, 3410, 3564, 3740, 4092, 4131, 4185, 4455, 4590, 4743, 4860, 5022, 5049, 5115, 5270, 5346, 5508, 5580, 5610, 5797, 5940, 6138, 6324, 6732, 6820, 6885, 7533, 7905, 8262, 8370, 8415, 8910, 9180, 9207, 9486, 10044, 10098, 10230, 10540, 10692, 11220, 11594, 12276, 12555, 13365, 13770, 14229, 15066, 15147, 15345, 15810, 16524, 16740, 16830, 17391, 17820, 18414, 18972, 20196, 20460, 20655, 23188, 23715, 25110, 25245, 26730, 27540, 27621, 28458, 28985, 30132, 30294, 30690, 31620, 33660, 34782, 36828, 37665, 41310, 42687, 45441, 46035, 47430, 50220, 50490, 52173, 53460, 55242, 56916, 57970, 60588, 61380, 69564, 71145, 75330, 75735, 82620, 82863, 85374, 86955, 90882, 92070, 94860, 100980, 104346, 110484, 115940, 128061, 138105, 142290, 150660, 151470, 156519, 165726, 170748, 173910, 181764, 184140, 208692, 213435, 227205, 256122, 260865, 276210, 284580, 302940, 313038, 331452, 347820, 414315, 426870, 454410, 469557, 512244, 521730, 552420, 626076, 640305, 782595, 828630, 853740, 908820, 939114, 1043460, 1280610, 1408671, 1565190, 1657260, 1878228, 2347785, 2561220, 2817342, 3130380, 4695570, 5634684, 7043355, 9391140, 14086710, 28173420]

約数ペア:

[(1, 28173420), (2, 14086710), (3, 9391140), (4, 7043355), (5, 5634684), (6, 4695570), (9, 3130380), (10, 2817342), (11, 2561220), (12, 2347785), (15, 1878228), (17, 1657260), (18, 1565190), (20, 1408671), (22, 1280610), (27, 1043460), (30, 939114), (31, 908820), (33, 853740), (34, 828630), (36, 782595), (44, 640305), (45, 626076), (51, 552420), (54, 521730), (55, 512244), (60, 469557), (62, 454410), (66, 426870), (68, 414315), (81, 347820), (85, 331452), (90, 313038), (93, 302940), (99, 284580), (102, 276210), (108, 260865), (110, 256122), (124, 227205), (132, 213435), (135, 208692), (153, 184140), (155, 181764), (162, 173910), (165, 170748), (170, 165726), (180, 156519), (186, 151470), (187, 150660), (198, 142290), (204, 138105), (220, 128061), (243, 115940), (255, 110484), (270, 104346), (279, 100980), (297, 94860), (306, 92070), (310, 90882), (324, 86955), (330, 85374), (340, 82863), (341, 82620), (372, 75735), (374, 75330), (396, 71145), (405, 69564), (459, 61380), (465, 60588), (486, 57970), (495, 56916), (510, 55242), (527, 53460), (540, 52173), (558, 50490), (561, 50220), (594, 47430), (612, 46035), (620, 45441), (660, 42687), (682, 41310), (748, 37665), (765, 36828), (810, 34782), (837, 33660), (891, 31620), (918, 30690), (930, 30294), (935, 30132), (972, 28985), (990, 28458), (1020, 27621), (1023, 27540), (1054, 26730), (1116, 25245), (1122, 25110), (1188, 23715), (1215, 23188), (1364, 20655), (1377, 20460), (1395, 20196), (1485, 18972), (1530, 18414), (1581, 17820), (1620, 17391), (1674, 16830), (1683, 16740), (1705, 16524), (1782, 15810), (1836, 15345), (1860, 15147), (1870, 15066), (1980, 14229), (2046, 13770), (2108, 13365), (2244, 12555), (2295, 12276), (2430, 11594), (2511, 11220), (2635, 10692), (2673, 10540), (2754, 10230), (2790, 10098), (2805, 10044), (2970, 9486), (3060, 9207), (3069, 9180), (3162, 8910), (3348, 8415), (3366, 8370), (3410, 8262), (3564, 7905), (3740, 7533), (4092, 6885), (4131, 6820), (4185, 6732), (4455, 6324), (4590, 6138), (4743, 5940), (4860, 5797), (5022, 5610), (5049, 5580), (5115, 5508), (5270, 5346)]