428721840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25889}}^1$

素因数の和:25931

約数の個数: 120

約数和(自身を含む): 1502448480

約数和(自身を除く): 1073726640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 25889, 51778, 77667, 103556, 129445, 155334, 207112, 233001, 258890, 310668, 388335, 414224, 466002, 517780, 595447, 621336, 776670, 932004, 1035560, 1165005, 1190894, 1242672, 1553340, 1786341, 1864008, 2071120, 2330010, 2381788, 2977235, 3106680, 3572682, 3728016, 4660020, 4763576, 5359023, 5954470, 6213360, 7145364, 8931705, 9320040, 9527152, 10718046, 11908940, 14290728, 17863410, 18640080, 21436092, 23817880, 26795115, 28581456, 35726820, 42872184, 47635760, 53590230, 71453640, 85744368, 107180460, 142907280, 214360920, 428721840]

約数ペア:

[(1, 428721840), (2, 214360920), (3, 142907280), (4, 107180460), (5, 85744368), (6, 71453640), (8, 53590230), (9, 47635760), (10, 42872184), (12, 35726820), (15, 28581456), (16, 26795115), (18, 23817880), (20, 21436092), (23, 18640080), (24, 17863410), (30, 14290728), (36, 11908940), (40, 10718046), (45, 9527152), (46, 9320040), (48, 8931705), (60, 7145364), (69, 6213360), (72, 5954470), (80, 5359023), (90, 4763576), (92, 4660020), (115, 3728016), (120, 3572682), (138, 3106680), (144, 2977235), (180, 2381788), (184, 2330010), (207, 2071120), (230, 1864008), (240, 1786341), (276, 1553340), (345, 1242672), (360, 1190894), (368, 1165005), (414, 1035560), (460, 932004), (552, 776670), (690, 621336), (720, 595447), (828, 517780), (920, 466002), (1035, 414224), (1104, 388335), (1380, 310668), (1656, 258890), (1840, 233001), (2070, 207112), (2760, 155334), (3312, 129445), (4140, 103556), (5520, 77667), (8280, 51778), (16560, 25889)]