7881200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 21449520

約数和(自身を除く): 13568320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 61, 68, 76, 80, 85, 95, 100, 122, 136, 152, 170, 190, 200, 244, 272, 304, 305, 323, 340, 380, 400, 425, 475, 488, 610, 646, 680, 760, 850, 950, 976, 1037, 1159, 1220, 1292, 1360, 1520, 1525, 1615, 1700, 1900, 2074, 2318, 2440, 2584, 3050, 3230, 3400, 3800, 4148, 4636, 4880, 5168, 5185, 5795, 6100, 6460, 6800, 7600, 8075, 8296, 9272, 10370, 11590, 12200, 12920, 16150, 16592, 18544, 19703, 20740, 23180, 24400, 25840, 25925, 28975, 32300, 39406, 41480, 46360, 51850, 57950, 64600, 78812, 82960, 92720, 98515, 103700, 115900, 129200, 157624, 197030, 207400, 231800, 315248, 394060, 414800, 463600, 492575, 788120, 985150, 1576240, 1970300, 3940600, 7881200]

約数ペア:

[(1, 7881200), (2, 3940600), (4, 1970300), (5, 1576240), (8, 985150), (10, 788120), (16, 492575), (17, 463600), (19, 414800), (20, 394060), (25, 315248), (34, 231800), (38, 207400), (40, 197030), (50, 157624), (61, 129200), (68, 115900), (76, 103700), (80, 98515), (85, 92720), (95, 82960), (100, 78812), (122, 64600), (136, 57950), (152, 51850), (170, 46360), (190, 41480), (200, 39406), (244, 32300), (272, 28975), (304, 25925), (305, 25840), (323, 24400), (340, 23180), (380, 20740), (400, 19703), (425, 18544), (475, 16592), (488, 16150), (610, 12920), (646, 12200), (680, 11590), (760, 10370), (850, 9272), (950, 8296), (976, 8075), (1037, 7600), (1159, 6800), (1220, 6460), (1292, 6100), (1360, 5795), (1520, 5185), (1525, 5168), (1615, 4880), (1700, 4636), (1900, 4148), (2074, 3800), (2318, 3400), (2440, 3230), (2584, 3050)]