72904140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21317}}^1$

素因数の和:21351

約数の個数: 72

約数和(自身を含む): 232792560

約数和(自身を除く): 159888420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21317, 42634, 63951, 85268, 106585, 127902, 191853, 213170, 255804, 319755, 383706, 405023, 426340, 639510, 767412, 810046, 959265, 1215069, 1279020, 1620092, 1918530, 2025115, 2430138, 3645207, 3837060, 4050230, 4860276, 6075345, 7290414, 8100460, 12150690, 14580828, 18226035, 24301380, 36452070, 72904140]

約数ペア:

[(1, 72904140), (2, 36452070), (3, 24301380), (4, 18226035), (5, 14580828), (6, 12150690), (9, 8100460), (10, 7290414), (12, 6075345), (15, 4860276), (18, 4050230), (19, 3837060), (20, 3645207), (30, 2430138), (36, 2025115), (38, 1918530), (45, 1620092), (57, 1279020), (60, 1215069), (76, 959265), (90, 810046), (95, 767412), (114, 639510), (171, 426340), (180, 405023), (190, 383706), (228, 319755), (285, 255804), (342, 213170), (380, 191853), (570, 127902), (684, 106585), (855, 85268), (1140, 63951), (1710, 42634), (3420, 21317)]