320805840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 1051004160

約数和(自身を除く): 730198320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 534, 552, 653, 690, 712, 890, 920, 1068, 1104, 1306, 1335, 1380, 1424, 1780, 1840, 1959, 2047, 2136, 2612, 2670, 2760, 3265, 3560, 3918, 4094, 4272, 5224, 5340, 5520, 6141, 6530, 7120, 7836, 8188, 9795, 10235, 10448, 10680, 12282, 13060, 15019, 15672, 16376, 19590, 20470, 21360, 24564, 26120, 30038, 30705, 31344, 32752, 39180, 40940, 45057, 49128, 52240, 58117, 60076, 61410, 75095, 78360, 81880, 90114, 98256, 116234, 120152, 122820, 150190, 156720, 163760, 174351, 180228, 225285, 232468, 240304, 245640, 290585, 300380, 348702, 360456, 450570, 464936, 491280, 581170, 600760, 697404, 720912, 871755, 901140, 929872, 1162340, 1201520, 1336691, 1394808, 1743510, 1802280, 2324680, 2673382, 2789616, 3487020, 3604560, 4010073, 4649360, 5346764, 6683455, 6974040, 8020146, 10693528, 13366910, 13948080, 16040292, 20050365, 21387056, 26733820, 32080584, 40100730, 53467640, 64161168, 80201460, 106935280, 160402920, 320805840]

約数ペア:

[(1, 320805840), (2, 160402920), (3, 106935280), (4, 80201460), (5, 64161168), (6, 53467640), (8, 40100730), (10, 32080584), (12, 26733820), (15, 21387056), (16, 20050365), (20, 16040292), (23, 13948080), (24, 13366910), (30, 10693528), (40, 8020146), (46, 6974040), (48, 6683455), (60, 5346764), (69, 4649360), (80, 4010073), (89, 3604560), (92, 3487020), (115, 2789616), (120, 2673382), (138, 2324680), (178, 1802280), (184, 1743510), (230, 1394808), (240, 1336691), (267, 1201520), (276, 1162340), (345, 929872), (356, 901140), (368, 871755), (445, 720912), (460, 697404), (534, 600760), (552, 581170), (653, 491280), (690, 464936), (712, 450570), (890, 360456), (920, 348702), (1068, 300380), (1104, 290585), (1306, 245640), (1335, 240304), (1380, 232468), (1424, 225285), (1780, 180228), (1840, 174351), (1959, 163760), (2047, 156720), (2136, 150190), (2612, 122820), (2670, 120152), (2760, 116234), (3265, 98256), (3560, 90114), (3918, 81880), (4094, 78360), (4272, 75095), (5224, 61410), (5340, 60076), (5520, 58117), (6141, 52240), (6530, 49128), (7120, 45057), (7836, 40940), (8188, 39180), (9795, 32752), (10235, 31344), (10448, 30705), (10680, 30038), (12282, 26120), (13060, 24564), (15019, 21360), (15672, 20470), (16376, 19590)]