268653920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1319}}^1$

素因数の和:1420

約数の個数: 96

約数和(自身を含む): 678585600

約数和(自身を除く): 409931680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 67, 76, 80, 95, 134, 152, 160, 190, 268, 304, 335, 380, 536, 608, 670, 760, 1072, 1273, 1319, 1340, 1520, 2144, 2546, 2638, 2680, 3040, 5092, 5276, 5360, 6365, 6595, 10184, 10552, 10720, 12730, 13190, 20368, 21104, 25061, 25460, 26380, 40736, 42208, 50122, 50920, 52760, 88373, 100244, 101840, 105520, 125305, 176746, 200488, 203680, 211040, 250610, 353492, 400976, 441865, 501220, 706984, 801952, 883730, 1002440, 1413968, 1679087, 1767460, 2004880, 2827936, 3358174, 3534920, 4009760, 6716348, 7069840, 8395435, 13432696, 14139680, 16790870, 26865392, 33581740, 53730784, 67163480, 134326960, 268653920]

約数ペア:

[(1, 268653920), (2, 134326960), (4, 67163480), (5, 53730784), (8, 33581740), (10, 26865392), (16, 16790870), (19, 14139680), (20, 13432696), (32, 8395435), (38, 7069840), (40, 6716348), (67, 4009760), (76, 3534920), (80, 3358174), (95, 2827936), (134, 2004880), (152, 1767460), (160, 1679087), (190, 1413968), (268, 1002440), (304, 883730), (335, 801952), (380, 706984), (536, 501220), (608, 441865), (670, 400976), (760, 353492), (1072, 250610), (1273, 211040), (1319, 203680), (1340, 200488), (1520, 176746), (2144, 125305), (2546, 105520), (2638, 101840), (2680, 100244), (3040, 88373), (5092, 52760), (5276, 50920), (5360, 50122), (6365, 42208), (6595, 40736), (10184, 26380), (10552, 25460), (10720, 25061), (12730, 21104), (13190, 20368)]