87720816

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 241618464

約数和(自身を除く): 153897648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 193, 204, 272, 386, 408, 557, 579, 772, 816, 1114, 1158, 1544, 1671, 2228, 2316, 3088, 3281, 3342, 4456, 4632, 6562, 6684, 8912, 9264, 9469, 9843, 13124, 13368, 18938, 19686, 26248, 26736, 28407, 37876, 39372, 52496, 56814, 75752, 78744, 107501, 113628, 151504, 157488, 215002, 227256, 322503, 430004, 454512, 645006, 860008, 1290012, 1720016, 1827517, 2580024, 3655034, 5160048, 5482551, 7310068, 10965102, 14620136, 21930204, 29240272, 43860408, 87720816]

約数ペア:

[(1, 87720816), (2, 43860408), (3, 29240272), (4, 21930204), (6, 14620136), (8, 10965102), (12, 7310068), (16, 5482551), (17, 5160048), (24, 3655034), (34, 2580024), (48, 1827517), (51, 1720016), (68, 1290012), (102, 860008), (136, 645006), (193, 454512), (204, 430004), (272, 322503), (386, 227256), (408, 215002), (557, 157488), (579, 151504), (772, 113628), (816, 107501), (1114, 78744), (1158, 75752), (1544, 56814), (1671, 52496), (2228, 39372), (2316, 37876), (3088, 28407), (3281, 26736), (3342, 26248), (4456, 19686), (4632, 18938), (6562, 13368), (6684, 13124), (8912, 9843), (9264, 9469)]