1808727120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31799}}^1$

素因数の和:31897

約数の個数: 120

約数和(自身を含む): 6151392000

約数和(自身を除く): 4342664880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 28440, 31799, 56880, 63598, 95397, 127196, 158995, 190794, 254392, 286191, 317990, 381588, 476985, 508784, 572382, 635980, 763176, 953970, 1144764, 1271960, 1430955, 1526352, 1907940, 2289528, 2512121, 2543920, 2861910, 3815880, 4579056, 5024242, 5723820, 7536363, 7631760, 10048484, 11447640, 12560605, 15072726, 20096968, 22609089, 22895280, 25121210, 30145452, 37681815, 40193936, 45218178, 50242420, 60290904, 75363630, 90436356, 100484840, 113045445, 120581808, 150727260, 180872712, 200969680, 226090890, 301454520, 361745424, 452181780, 602909040, 904363560, 1808727120]

約数ペア:

[(1, 1808727120), (2, 904363560), (3, 602909040), (4, 452181780), (5, 361745424), (6, 301454520), (8, 226090890), (9, 200969680), (10, 180872712), (12, 150727260), (15, 120581808), (16, 113045445), (18, 100484840), (20, 90436356), (24, 75363630), (30, 60290904), (36, 50242420), (40, 45218178), (45, 40193936), (48, 37681815), (60, 30145452), (72, 25121210), (79, 22895280), (80, 22609089), (90, 20096968), (120, 15072726), (144, 12560605), (158, 11447640), (180, 10048484), (237, 7631760), (240, 7536363), (316, 5723820), (360, 5024242), (395, 4579056), (474, 3815880), (632, 2861910), (711, 2543920), (720, 2512121), (790, 2289528), (948, 1907940), (1185, 1526352), (1264, 1430955), (1422, 1271960), (1580, 1144764), (1896, 953970), (2370, 763176), (2844, 635980), (3160, 572382), (3555, 508784), (3792, 476985), (4740, 381588), (5688, 317990), (6320, 286191), (7110, 254392), (9480, 190794), (11376, 158995), (14220, 127196), (18960, 95397), (28440, 63598), (31799, 56880)]