240189640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 594864000

約数和(自身を除く): 354674360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 67, 76, 89, 95, 106, 134, 152, 178, 190, 212, 265, 268, 335, 356, 380, 424, 445, 530, 536, 670, 712, 760, 890, 1007, 1060, 1273, 1340, 1691, 1780, 2014, 2120, 2546, 2680, 3382, 3551, 3560, 4028, 4717, 5035, 5092, 5963, 6365, 6764, 7102, 8056, 8455, 9434, 10070, 10184, 11926, 12730, 13528, 14204, 16910, 17755, 18868, 20140, 23585, 23852, 25460, 28408, 29815, 33820, 35510, 37736, 40280, 47170, 47704, 50920, 59630, 67469, 67640, 71020, 89623, 94340, 113297, 119260, 134938, 142040, 179246, 188680, 226594, 238520, 269876, 316039, 337345, 358492, 448115, 453188, 539752, 566485, 632078, 674690, 716984, 896230, 906376, 1132970, 1264156, 1349380, 1580195, 1792460, 2265940, 2528312, 2698760, 3160390, 3584920, 4531880, 6004741, 6320780, 12009482, 12641560, 24018964, 30023705, 48037928, 60047410, 120094820, 240189640]

約数ペア:

[(1, 240189640), (2, 120094820), (4, 60047410), (5, 48037928), (8, 30023705), (10, 24018964), (19, 12641560), (20, 12009482), (38, 6320780), (40, 6004741), (53, 4531880), (67, 3584920), (76, 3160390), (89, 2698760), (95, 2528312), (106, 2265940), (134, 1792460), (152, 1580195), (178, 1349380), (190, 1264156), (212, 1132970), (265, 906376), (268, 896230), (335, 716984), (356, 674690), (380, 632078), (424, 566485), (445, 539752), (530, 453188), (536, 448115), (670, 358492), (712, 337345), (760, 316039), (890, 269876), (1007, 238520), (1060, 226594), (1273, 188680), (1340, 179246), (1691, 142040), (1780, 134938), (2014, 119260), (2120, 113297), (2546, 94340), (2680, 89623), (3382, 71020), (3551, 67640), (3560, 67469), (4028, 59630), (4717, 50920), (5035, 47704), (5092, 47170), (5963, 40280), (6365, 37736), (6764, 35510), (7102, 33820), (8056, 29815), (8455, 28408), (9434, 25460), (10070, 23852), (10184, 23585), (11926, 20140), (12730, 18868), (13528, 17755), (14204, 16910)]