720523080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21521}}^1$

素因数の和:21572

約数の個数: 128

約数和(自身を含む): 2479334400

約数和(自身を除く): 1758811320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 21521, 33480, 43042, 64563, 86084, 107605, 129126, 172168, 193689, 215210, 258252, 322815, 387378, 430420, 516504, 581067, 645630, 667151, 774756, 860840, 968445, 1162134, 1291260, 1334302, 1549512, 1936890, 2001453, 2324268, 2582520, 2668604, 2905335, 3335755, 3873780, 4002906, 4648536, 5337208, 5810670, 6004359, 6671510, 7747560, 8005812, 10007265, 11621340, 12008718, 13343020, 16011624, 18013077, 20014530, 23242680, 24017436, 26686040, 30021795, 36026154, 40029060, 48034872, 60043590, 72052308, 80058120, 90065385, 120087180, 144104616, 180130770, 240174360, 360261540, 720523080]

約数ペア:

[(1, 720523080), (2, 360261540), (3, 240174360), (4, 180130770), (5, 144104616), (6, 120087180), (8, 90065385), (9, 80058120), (10, 72052308), (12, 60043590), (15, 48034872), (18, 40029060), (20, 36026154), (24, 30021795), (27, 26686040), (30, 24017436), (31, 23242680), (36, 20014530), (40, 18013077), (45, 16011624), (54, 13343020), (60, 12008718), (62, 11621340), (72, 10007265), (90, 8005812), (93, 7747560), (108, 6671510), (120, 6004359), (124, 5810670), (135, 5337208), (155, 4648536), (180, 4002906), (186, 3873780), (216, 3335755), (248, 2905335), (270, 2668604), (279, 2582520), (310, 2324268), (360, 2001453), (372, 1936890), (465, 1549512), (540, 1334302), (558, 1291260), (620, 1162134), (744, 968445), (837, 860840), (930, 774756), (1080, 667151), (1116, 645630), (1240, 581067), (1395, 516504), (1674, 430420), (1860, 387378), (2232, 322815), (2790, 258252), (3348, 215210), (3720, 193689), (4185, 172168), (5580, 129126), (6696, 107605), (8370, 86084), (11160, 64563), (16740, 43042), (21521, 33480)]