20612487840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{4651}}^1$

素因数の和:5995

約数の個数: 192

約数和(自身を含む): 74277181440

約数和(自身を除く): 53664693600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1319, 1680, 2638, 3360, 3957, 4651, 5276, 6595, 7914, 9233, 9302, 10552, 13190, 13953, 15828, 18466, 18604, 19785, 21104, 23255, 26380, 27699, 27906, 31656, 32557, 36932, 37208, 39570, 42208, 46165, 46510, 52760, 55398, 55812, 63312, 65114, 69765, 73864, 74416, 79140, 92330, 93020, 97671, 105520, 110796, 111624, 126624, 130228, 138495, 139530, 147728, 148832, 158280, 162785, 184660, 186040, 195342, 211040, 221592, 223248, 260456, 276990, 279060, 295456, 316560, 325570, 369320, 372080, 390684, 443184, 446496, 488355, 520912, 553980, 558120, 633120, 651140, 738640, 744160, 781368, 886368, 976710, 1041824, 1107960, 1116240, 1302280, 1477280, 1562736, 1953420, 2215920, 2232480, 2604560, 3125472, 3906840, 4431840, 5209120, 6134669, 7813680, 12269338, 15627360, 18404007, 24538676, 30673345, 36808014, 42942683, 49077352, 61346690, 73616028, 85885366, 92020035, 98154704, 122693380, 128828049, 147232056, 171770732, 184040070, 196309408, 214713415, 245386760, 257656098, 294464112, 343541464, 368080140, 429426830, 490773520, 515312196, 588928224, 644140245, 687082928, 736160280, 858853660, 981547040, 1030624392, 1288280490, 1374165856, 1472320560, 1717707320, 2061248784, 2576560980, 2944641120, 3435414640, 4122497568, 5153121960, 6870829280, 10306243920, 20612487840]

約数ペア:

[(1, 20612487840), (2, 10306243920), (3, 6870829280), (4, 5153121960), (5, 4122497568), (6, 3435414640), (7, 2944641120), (8, 2576560980), (10, 2061248784), (12, 1717707320), (14, 1472320560), (15, 1374165856), (16, 1288280490), (20, 1030624392), (21, 981547040), (24, 858853660), (28, 736160280), (30, 687082928), (32, 644140245), (35, 588928224), (40, 515312196), (42, 490773520), (48, 429426830), (56, 368080140), (60, 343541464), (70, 294464112), (80, 257656098), (84, 245386760), (96, 214713415), (105, 196309408), (112, 184040070), (120, 171770732), (140, 147232056), (160, 128828049), (168, 122693380), (210, 98154704), (224, 92020035), (240, 85885366), (280, 73616028), (336, 61346690), (420, 49077352), (480, 42942683), (560, 36808014), (672, 30673345), (840, 24538676), (1120, 18404007), (1319, 15627360), (1680, 12269338), (2638, 7813680), (3360, 6134669), (3957, 5209120), (4651, 4431840), (5276, 3906840), (6595, 3125472), (7914, 2604560), (9233, 2232480), (9302, 2215920), (10552, 1953420), (13190, 1562736), (13953, 1477280), (15828, 1302280), (18466, 1116240), (18604, 1107960), (19785, 1041824), (21104, 976710), (23255, 886368), (26380, 781368), (27699, 744160), (27906, 738640), (31656, 651140), (32557, 633120), (36932, 558120), (37208, 553980), (39570, 520912), (42208, 488355), (46165, 446496), (46510, 443184), (52760, 390684), (55398, 372080), (55812, 369320), (63312, 325570), (65114, 316560), (69765, 295456), (73864, 279060), (74416, 276990), (79140, 260456), (92330, 223248), (93020, 221592), (97671, 211040), (105520, 195342), (110796, 186040), (111624, 184660), (126624, 162785), (130228, 158280), (138495, 148832), (139530, 147728)]