78954400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 230235264

約数和(自身を除く): 151280864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 322, 350, 368, 400, 460, 560, 575, 613, 644, 700, 736, 800, 805, 920, 1120, 1150, 1226, 1288, 1400, 1610, 1840, 2300, 2452, 2576, 2800, 3065, 3220, 3680, 4025, 4291, 4600, 4904, 5152, 5600, 6130, 6440, 8050, 8582, 9200, 9808, 12260, 12880, 14099, 15325, 16100, 17164, 18400, 19616, 21455, 24520, 25760, 28198, 30650, 32200, 34328, 42910, 49040, 56396, 61300, 64400, 68656, 70495, 85820, 98080, 98693, 107275, 112792, 122600, 128800, 137312, 140990, 171640, 197386, 214550, 225584, 245200, 281980, 343280, 352475, 394772, 429100, 451168, 490400, 493465, 563960, 686560, 704950, 789544, 858200, 986930, 1127920, 1409900, 1579088, 1716400, 1973860, 2255840, 2467325, 2819800, 3158176, 3432800, 3947720, 4934650, 5639600, 7895440, 9869300, 11279200, 15790880, 19738600, 39477200, 78954400]

約数ペア:

[(1, 78954400), (2, 39477200), (4, 19738600), (5, 15790880), (7, 11279200), (8, 9869300), (10, 7895440), (14, 5639600), (16, 4934650), (20, 3947720), (23, 3432800), (25, 3158176), (28, 2819800), (32, 2467325), (35, 2255840), (40, 1973860), (46, 1716400), (50, 1579088), (56, 1409900), (70, 1127920), (80, 986930), (92, 858200), (100, 789544), (112, 704950), (115, 686560), (140, 563960), (160, 493465), (161, 490400), (175, 451168), (184, 429100), (200, 394772), (224, 352475), (230, 343280), (280, 281980), (322, 245200), (350, 225584), (368, 214550), (400, 197386), (460, 171640), (560, 140990), (575, 137312), (613, 128800), (644, 122600), (700, 112792), (736, 107275), (800, 98693), (805, 98080), (920, 85820), (1120, 70495), (1150, 68656), (1226, 64400), (1288, 61300), (1400, 56396), (1610, 49040), (1840, 42910), (2300, 34328), (2452, 32200), (2576, 30650), (2800, 28198), (3065, 25760), (3220, 24520), (3680, 21455), (4025, 19616), (4291, 18400), (4600, 17164), (4904, 16100), (5152, 15325), (5600, 14099), (6130, 12880), (6440, 12260), (8050, 9808), (8582, 9200)]