1971010720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47563}}^1$

素因数の和:47622

約数の個数: 96

約数和(自身を含む): 5465674368

約数和(自身を除く): 3494663648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1120, 1184, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 5920, 8288, 10360, 20720, 41440, 47563, 95126, 190252, 237815, 332941, 380504, 475630, 665882, 761008, 951260, 1331764, 1522016, 1664705, 1759831, 1902520, 2663528, 3329410, 3519662, 3805040, 5327056, 6658820, 7039324, 7610080, 8799155, 10654112, 12318817, 13317640, 14078648, 17598310, 24637634, 26635280, 28157296, 35196620, 49275268, 53270560, 56314592, 61594085, 70393240, 98550536, 123188170, 140786480, 197101072, 246376340, 281572960, 394202144, 492752680, 985505360, 1971010720]

約数ペア:

[(1, 1971010720), (2, 985505360), (4, 492752680), (5, 394202144), (7, 281572960), (8, 246376340), (10, 197101072), (14, 140786480), (16, 123188170), (20, 98550536), (28, 70393240), (32, 61594085), (35, 56314592), (37, 53270560), (40, 49275268), (56, 35196620), (70, 28157296), (74, 26635280), (80, 24637634), (112, 17598310), (140, 14078648), (148, 13317640), (160, 12318817), (185, 10654112), (224, 8799155), (259, 7610080), (280, 7039324), (296, 6658820), (370, 5327056), (518, 3805040), (560, 3519662), (592, 3329410), (740, 2663528), (1036, 1902520), (1120, 1759831), (1184, 1664705), (1295, 1522016), (1480, 1331764), (2072, 951260), (2590, 761008), (2960, 665882), (4144, 475630), (5180, 380504), (5920, 332941), (8288, 237815), (10360, 190252), (20720, 95126), (41440, 47563)]