20028273840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1109}}^1$

素因数の和:2066

約数の個数: 240

約数和(自身を含む): 69890839200

約数和(自身を除く): 49862565360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 929, 972, 1080, 1109, 1215, 1296, 1620, 1858, 1944, 2160, 2218, 2430, 2787, 3240, 3327, 3716, 3888, 4436, 4645, 4860, 5545, 5574, 6480, 6654, 7432, 8361, 8872, 9290, 9720, 9981, 11090, 11148, 13308, 13935, 14864, 16635, 16722, 17744, 18580, 19440, 19962, 22180, 22296, 25083, 26616, 27870, 29943, 33270, 33444, 37160, 39924, 41805, 44360, 44592, 49905, 50166, 53232, 55740, 59886, 66540, 66888, 74320, 75249, 79848, 83610, 88720, 89829, 99810, 100332, 111480, 119772, 125415, 133080, 133776, 149715, 150498, 159696, 167220, 179658, 199620, 200664, 222960, 225747, 239544, 250830, 266160, 269487, 299430, 300996, 334440, 359316, 376245, 399240, 401328, 449145, 451494, 479088, 501660, 538974, 598860, 601992, 668880, 718632, 752490, 798480, 898290, 902988, 1003320, 1030261, 1077948, 1128735, 1197720, 1203984, 1347435, 1437264, 1504980, 1796580, 1805976, 2006640, 2060522, 2155896, 2257470, 2395440, 2694870, 3009960, 3090783, 3593160, 3611952, 4121044, 4311792, 4514940, 5151305, 5389740, 6019920, 6181566, 7186320, 8242088, 9029880, 9272349, 10302610, 10779480, 12363132, 15453915, 16484176, 18059760, 18544698, 20605220, 21558960, 24726264, 27817047, 30907830, 37089396, 41210440, 46361745, 49452528, 55634094, 61815660, 74178792, 82420880, 83451141, 92723490, 111268188, 123631320, 139085235, 148357584, 166902282, 185446980, 222536376, 247262640, 250353423, 278170470, 333804564, 370893960, 417255705, 445072752, 500706846, 556340940, 667609128, 741787920, 834511410, 1001413692, 1112681880, 1251767115, 1335218256, 1669022820, 2002827384, 2225363760, 2503534230, 3338045640, 4005654768, 5007068460, 6676091280, 10014136920, 20028273840]

約数ペア:

[(1, 20028273840), (2, 10014136920), (3, 6676091280), (4, 5007068460), (5, 4005654768), (6, 3338045640), (8, 2503534230), (9, 2225363760), (10, 2002827384), (12, 1669022820), (15, 1335218256), (16, 1251767115), (18, 1112681880), (20, 1001413692), (24, 834511410), (27, 741787920), (30, 667609128), (36, 556340940), (40, 500706846), (45, 445072752), (48, 417255705), (54, 370893960), (60, 333804564), (72, 278170470), (80, 250353423), (81, 247262640), (90, 222536376), (108, 185446980), (120, 166902282), (135, 148357584), (144, 139085235), (162, 123631320), (180, 111268188), (216, 92723490), (240, 83451141), (243, 82420880), (270, 74178792), (324, 61815660), (360, 55634094), (405, 49452528), (432, 46361745), (486, 41210440), (540, 37089396), (648, 30907830), (720, 27817047), (810, 24726264), (929, 21558960), (972, 20605220), (1080, 18544698), (1109, 18059760), (1215, 16484176), (1296, 15453915), (1620, 12363132), (1858, 10779480), (1944, 10302610), (2160, 9272349), (2218, 9029880), (2430, 8242088), (2787, 7186320), (3240, 6181566), (3327, 6019920), (3716, 5389740), (3888, 5151305), (4436, 4514940), (4645, 4311792), (4860, 4121044), (5545, 3611952), (5574, 3593160), (6480, 3090783), (6654, 3009960), (7432, 2694870), (8361, 2395440), (8872, 2257470), (9290, 2155896), (9720, 2060522), (9981, 2006640), (11090, 1805976), (11148, 1796580), (13308, 1504980), (13935, 1437264), (14864, 1347435), (16635, 1203984), (16722, 1197720), (17744, 1128735), (18580, 1077948), (19440, 1030261), (19962, 1003320), (22180, 902988), (22296, 898290), (25083, 798480), (26616, 752490), (27870, 718632), (29943, 668880), (33270, 601992), (33444, 598860), (37160, 538974), (39924, 501660), (41805, 479088), (44360, 451494), (44592, 449145), (49905, 401328), (50166, 399240), (53232, 376245), (55740, 359316), (59886, 334440), (66540, 300996), (66888, 299430), (74320, 269487), (75249, 266160), (79848, 250830), (83610, 239544), (88720, 225747), (89829, 222960), (99810, 200664), (100332, 199620), (111480, 179658), (119772, 167220), (125415, 159696), (133080, 150498), (133776, 149715)]