51255540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2182

約数の個数: 144

約数和(自身を含む): 187125120

約数和(自身を除く): 135869580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2141, 2394, 2660, 3420, 3990, 4282, 4788, 5985, 6423, 7980, 8564, 10705, 11970, 12846, 14987, 19269, 21410, 23940, 25692, 29974, 32115, 38538, 40679, 42820, 44961, 59948, 64230, 74935, 77076, 81358, 89922, 96345, 122037, 128460, 134883, 149870, 162716, 179844, 192690, 203395, 224805, 244074, 269766, 284753, 299740, 366111, 385380, 406790, 449610, 488148, 539532, 569506, 610185, 674415, 732222, 813580, 854259, 899220, 1139012, 1220370, 1348830, 1423765, 1464444, 1708518, 1830555, 2440740, 2562777, 2697660, 2847530, 3417036, 3661110, 4271295, 5125554, 5695060, 7322220, 8542590, 10251108, 12813885, 17085180, 25627770, 51255540]

約数ペア:

[(1, 51255540), (2, 25627770), (3, 17085180), (4, 12813885), (5, 10251108), (6, 8542590), (7, 7322220), (9, 5695060), (10, 5125554), (12, 4271295), (14, 3661110), (15, 3417036), (18, 2847530), (19, 2697660), (20, 2562777), (21, 2440740), (28, 1830555), (30, 1708518), (35, 1464444), (36, 1423765), (38, 1348830), (42, 1220370), (45, 1139012), (57, 899220), (60, 854259), (63, 813580), (70, 732222), (76, 674415), (84, 610185), (90, 569506), (95, 539532), (105, 488148), (114, 449610), (126, 406790), (133, 385380), (140, 366111), (171, 299740), (180, 284753), (190, 269766), (210, 244074), (228, 224805), (252, 203395), (266, 192690), (285, 179844), (315, 162716), (342, 149870), (380, 134883), (399, 128460), (420, 122037), (532, 96345), (570, 89922), (630, 81358), (665, 77076), (684, 74935), (798, 64230), (855, 59948), (1140, 44961), (1197, 42820), (1260, 40679), (1330, 38538), (1596, 32115), (1710, 29974), (1995, 25692), (2141, 23940), (2394, 21410), (2660, 19269), (3420, 14987), (3990, 12846), (4282, 11970), (4788, 10705), (5985, 8564), (6423, 7980)]