27981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3808

約数の個数: 80

約数和(自身を含む): 89565696

約数和(自身を除く): 61583856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 3761, 7440, 7522, 11283, 15044, 18805, 22566, 30088, 37610, 45132, 56415, 60176, 75220, 90264, 112830, 116591, 150440, 180528, 225660, 233182, 300880, 349773, 451320, 466364, 582955, 699546, 902640, 932728, 1165910, 1399092, 1748865, 1865456, 2331820, 2798184, 3497730, 4663640, 5596368, 6995460, 9327280, 13990920, 27981840]

約数ペア:

[(1, 27981840), (2, 13990920), (3, 9327280), (4, 6995460), (5, 5596368), (6, 4663640), (8, 3497730), (10, 2798184), (12, 2331820), (15, 1865456), (16, 1748865), (20, 1399092), (24, 1165910), (30, 932728), (31, 902640), (40, 699546), (48, 582955), (60, 466364), (62, 451320), (80, 349773), (93, 300880), (120, 233182), (124, 225660), (155, 180528), (186, 150440), (240, 116591), (248, 112830), (310, 90264), (372, 75220), (465, 60176), (496, 56415), (620, 45132), (744, 37610), (930, 30088), (1240, 22566), (1488, 18805), (1860, 15044), (2480, 11283), (3720, 7522), (3761, 7440)]