77615200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 144

約数和(自身を含む): 216548640

約数和(自身を除く): 138933440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 160, 170, 200, 208, 221, 260, 272, 325, 340, 400, 416, 425, 439, 442, 520, 544, 650, 680, 800, 850, 878, 884, 1040, 1105, 1300, 1360, 1700, 1756, 1768, 2080, 2195, 2210, 2600, 2720, 3400, 3512, 3536, 4390, 4420, 5200, 5525, 5707, 6800, 7024, 7072, 7463, 8780, 8840, 10400, 10975, 11050, 11414, 13600, 14048, 14926, 17560, 17680, 21950, 22100, 22828, 28535, 29852, 35120, 35360, 37315, 43900, 44200, 45656, 57070, 59704, 70240, 74630, 87800, 88400, 91312, 97019, 114140, 119408, 142675, 149260, 175600, 176800, 182624, 186575, 194038, 228280, 238816, 285350, 298520, 351200, 373150, 388076, 456560, 485095, 570700, 597040, 746300, 776152, 913120, 970190, 1141400, 1194080, 1492600, 1552304, 1940380, 2282800, 2425475, 2985200, 3104608, 3880760, 4565600, 4850950, 5970400, 7761520, 9701900, 15523040, 19403800, 38807600, 77615200]

約数ペア:

[(1, 77615200), (2, 38807600), (4, 19403800), (5, 15523040), (8, 9701900), (10, 7761520), (13, 5970400), (16, 4850950), (17, 4565600), (20, 3880760), (25, 3104608), (26, 2985200), (32, 2425475), (34, 2282800), (40, 1940380), (50, 1552304), (52, 1492600), (65, 1194080), (68, 1141400), (80, 970190), (85, 913120), (100, 776152), (104, 746300), (130, 597040), (136, 570700), (160, 485095), (170, 456560), (200, 388076), (208, 373150), (221, 351200), (260, 298520), (272, 285350), (325, 238816), (340, 228280), (400, 194038), (416, 186575), (425, 182624), (439, 176800), (442, 175600), (520, 149260), (544, 142675), (650, 119408), (680, 114140), (800, 97019), (850, 91312), (878, 88400), (884, 87800), (1040, 74630), (1105, 70240), (1300, 59704), (1360, 57070), (1700, 45656), (1756, 44200), (1768, 43900), (2080, 37315), (2195, 35360), (2210, 35120), (2600, 29852), (2720, 28535), (3400, 22828), (3512, 22100), (3536, 21950), (4390, 17680), (4420, 17560), (5200, 14926), (5525, 14048), (5707, 13600), (6800, 11414), (7024, 11050), (7072, 10975), (7463, 10400), (8780, 8840)]