78493860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 144

約数和(自身を含む): 255370752

約数和(自身を除く): 176876892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 465, 486, 521, 540, 558, 620, 810, 837, 930, 972, 1042, 1116, 1215, 1395, 1563, 1620, 1674, 1860, 2084, 2430, 2511, 2605, 2790, 3126, 3348, 4185, 4689, 4860, 5022, 5210, 5580, 6252, 7533, 7815, 8370, 9378, 10044, 10420, 12555, 14067, 15066, 15630, 16151, 16740, 18756, 23445, 25110, 28134, 30132, 31260, 32302, 37665, 42201, 46890, 48453, 50220, 56268, 64604, 70335, 75330, 80755, 84402, 93780, 96906, 126603, 140670, 145359, 150660, 161510, 168804, 193812, 211005, 242265, 253206, 281340, 290718, 323020, 422010, 436077, 484530, 506412, 581436, 633015, 726795, 844020, 872154, 969060, 1266030, 1308231, 1453590, 1744308, 2180385, 2532060, 2616462, 2907180, 3924693, 4360770, 5232924, 6541155, 7849386, 8721540, 13082310, 15698772, 19623465, 26164620, 39246930, 78493860]

約数ペア:

[(1, 78493860), (2, 39246930), (3, 26164620), (4, 19623465), (5, 15698772), (6, 13082310), (9, 8721540), (10, 7849386), (12, 6541155), (15, 5232924), (18, 4360770), (20, 3924693), (27, 2907180), (30, 2616462), (31, 2532060), (36, 2180385), (45, 1744308), (54, 1453590), (60, 1308231), (62, 1266030), (81, 969060), (90, 872154), (93, 844020), (108, 726795), (124, 633015), (135, 581436), (155, 506412), (162, 484530), (180, 436077), (186, 422010), (243, 323020), (270, 290718), (279, 281340), (310, 253206), (324, 242265), (372, 211005), (405, 193812), (465, 168804), (486, 161510), (521, 150660), (540, 145359), (558, 140670), (620, 126603), (810, 96906), (837, 93780), (930, 84402), (972, 80755), (1042, 75330), (1116, 70335), (1215, 64604), (1395, 56268), (1563, 50220), (1620, 48453), (1674, 46890), (1860, 42201), (2084, 37665), (2430, 32302), (2511, 31260), (2605, 30132), (2790, 28134), (3126, 25110), (3348, 23445), (4185, 18756), (4689, 16740), (4860, 16151), (5022, 15630), (5210, 15066), (5580, 14067), (6252, 12555), (7533, 10420), (7815, 10044), (8370, 9378)]