1820142400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 168

約数和(自身を含む): 4824273816

約数和(自身を除く): 3004131416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 61, 64, 68, 80, 85, 100, 122, 136, 160, 170, 200, 244, 272, 305, 320, 340, 400, 425, 488, 544, 610, 680, 800, 850, 976, 1037, 1088, 1097, 1220, 1360, 1525, 1600, 1700, 1952, 2074, 2194, 2440, 2720, 3050, 3400, 3904, 4148, 4388, 4880, 5185, 5440, 5485, 6100, 6800, 8296, 8776, 9760, 10370, 10970, 12200, 13600, 16592, 17552, 18649, 19520, 20740, 21940, 24400, 25925, 27200, 27425, 33184, 35104, 37298, 41480, 43880, 48800, 51850, 54850, 66368, 66917, 70208, 74596, 82960, 87760, 93245, 97600, 103700, 109700, 133834, 149192, 165920, 175520, 186490, 207400, 219400, 267668, 298384, 331840, 334585, 351040, 372980, 414800, 438800, 466225, 535336, 596768, 669170, 745960, 829600, 877600, 932450, 1070672, 1137589, 1193536, 1338340, 1491920, 1659200, 1672925, 1755200, 1864900, 2141344, 2275178, 2676680, 2983840, 3345850, 3729800, 4282688, 4550356, 5353360, 5687945, 5967680, 6691700, 7459600, 9100712, 10706720, 11375890, 13383400, 14919200, 18201424, 21413440, 22751780, 26766800, 28439725, 29838400, 36402848, 45503560, 53533600, 56879450, 72805696, 91007120, 107067200, 113758900, 182014240, 227517800, 364028480, 455035600, 910071200, 1820142400]

約数ペア:

[(1, 1820142400), (2, 910071200), (4, 455035600), (5, 364028480), (8, 227517800), (10, 182014240), (16, 113758900), (17, 107067200), (20, 91007120), (25, 72805696), (32, 56879450), (34, 53533600), (40, 45503560), (50, 36402848), (61, 29838400), (64, 28439725), (68, 26766800), (80, 22751780), (85, 21413440), (100, 18201424), (122, 14919200), (136, 13383400), (160, 11375890), (170, 10706720), (200, 9100712), (244, 7459600), (272, 6691700), (305, 5967680), (320, 5687945), (340, 5353360), (400, 4550356), (425, 4282688), (488, 3729800), (544, 3345850), (610, 2983840), (680, 2676680), (800, 2275178), (850, 2141344), (976, 1864900), (1037, 1755200), (1088, 1672925), (1097, 1659200), (1220, 1491920), (1360, 1338340), (1525, 1193536), (1600, 1137589), (1700, 1070672), (1952, 932450), (2074, 877600), (2194, 829600), (2440, 745960), (2720, 669170), (3050, 596768), (3400, 535336), (3904, 466225), (4148, 438800), (4388, 414800), (4880, 372980), (5185, 351040), (5440, 334585), (5485, 331840), (6100, 298384), (6800, 267668), (8296, 219400), (8776, 207400), (9760, 186490), (10370, 175520), (10970, 165920), (12200, 149192), (13600, 133834), (16592, 109700), (17552, 103700), (18649, 97600), (19520, 93245), (20740, 87760), (21940, 82960), (24400, 74596), (25925, 70208), (27200, 66917), (27425, 66368), (33184, 54850), (35104, 51850), (37298, 48800), (41480, 43880)]