72416240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:594

約数の個数: 80

約数和(自身を含む): 182800800

約数和(自身を除く): 110384560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 179, 208, 260, 358, 389, 520, 716, 778, 895, 1040, 1432, 1556, 1790, 1945, 2327, 2864, 3112, 3580, 3890, 4654, 5057, 6224, 7160, 7780, 9308, 10114, 11635, 14320, 15560, 18616, 20228, 23270, 25285, 31120, 37232, 40456, 46540, 50570, 69631, 80912, 93080, 101140, 139262, 186160, 202280, 278524, 348155, 404560, 557048, 696310, 905203, 1114096, 1392620, 1810406, 2785240, 3620812, 4526015, 5570480, 7241624, 9052030, 14483248, 18104060, 36208120, 72416240]

約数ペア:

[(1, 72416240), (2, 36208120), (4, 18104060), (5, 14483248), (8, 9052030), (10, 7241624), (13, 5570480), (16, 4526015), (20, 3620812), (26, 2785240), (40, 1810406), (52, 1392620), (65, 1114096), (80, 905203), (104, 696310), (130, 557048), (179, 404560), (208, 348155), (260, 278524), (358, 202280), (389, 186160), (520, 139262), (716, 101140), (778, 93080), (895, 80912), (1040, 69631), (1432, 50570), (1556, 46540), (1790, 40456), (1945, 37232), (2327, 31120), (2864, 25285), (3112, 23270), (3580, 20228), (3890, 18616), (4654, 15560), (5057, 14320), (6224, 11635), (7160, 10114), (7780, 9308)]