2019960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 6814080

約数和(自身を除く): 4794120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 181, 186, 248, 279, 310, 360, 362, 372, 465, 543, 558, 620, 724, 744, 905, 930, 1086, 1116, 1240, 1395, 1448, 1629, 1810, 1860, 2172, 2232, 2715, 2790, 3258, 3620, 3720, 4344, 5430, 5580, 5611, 6516, 7240, 8145, 10860, 11160, 11222, 13032, 16290, 16833, 21720, 22444, 28055, 32580, 33666, 44888, 50499, 56110, 65160, 67332, 84165, 100998, 112220, 134664, 168330, 201996, 224440, 252495, 336660, 403992, 504990, 673320, 1009980, 2019960]

約数ペア:

[(1, 2019960), (2, 1009980), (3, 673320), (4, 504990), (5, 403992), (6, 336660), (8, 252495), (9, 224440), (10, 201996), (12, 168330), (15, 134664), (18, 112220), (20, 100998), (24, 84165), (30, 67332), (31, 65160), (36, 56110), (40, 50499), (45, 44888), (60, 33666), (62, 32580), (72, 28055), (90, 22444), (93, 21720), (120, 16833), (124, 16290), (155, 13032), (180, 11222), (181, 11160), (186, 10860), (248, 8145), (279, 7240), (310, 6516), (360, 5611), (362, 5580), (372, 5430), (465, 4344), (543, 3720), (558, 3620), (620, 3258), (724, 2790), (744, 2715), (905, 2232), (930, 2172), (1086, 1860), (1116, 1810), (1240, 1629), (1395, 1448)]