100320640

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 280296000

約数和(自身を除く): 179975360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 457, 490, 560, 640, 686, 784, 896, 914, 980, 1120, 1372, 1568, 1715, 1828, 1960, 2240, 2285, 2744, 3136, 3199, 3430, 3656, 3920, 4480, 4570, 5488, 6272, 6398, 6860, 7312, 7840, 9140, 10976, 12796, 13720, 14624, 15680, 15995, 18280, 21952, 22393, 25592, 27440, 29248, 31360, 31990, 36560, 43904, 44786, 51184, 54880, 58496, 63980, 73120, 89572, 102368, 109760, 111965, 127960, 146240, 156751, 179144, 204736, 219520, 223930, 255920, 292480, 313502, 358288, 409472, 447860, 511840, 627004, 716576, 783755, 895720, 1023680, 1254008, 1433152, 1567510, 1791440, 2047360, 2508016, 2866304, 3135020, 3582880, 5016032, 6270040, 7165760, 10032064, 12540080, 14331520, 20064128, 25080160, 50160320, 100320640]

約数ペア:

[(1, 100320640), (2, 50160320), (4, 25080160), (5, 20064128), (7, 14331520), (8, 12540080), (10, 10032064), (14, 7165760), (16, 6270040), (20, 5016032), (28, 3582880), (32, 3135020), (35, 2866304), (40, 2508016), (49, 2047360), (56, 1791440), (64, 1567510), (70, 1433152), (80, 1254008), (98, 1023680), (112, 895720), (128, 783755), (140, 716576), (160, 627004), (196, 511840), (224, 447860), (245, 409472), (280, 358288), (320, 313502), (343, 292480), (392, 255920), (448, 223930), (457, 219520), (490, 204736), (560, 179144), (640, 156751), (686, 146240), (784, 127960), (896, 111965), (914, 109760), (980, 102368), (1120, 89572), (1372, 73120), (1568, 63980), (1715, 58496), (1828, 54880), (1960, 51184), (2240, 44786), (2285, 43904), (2744, 36560), (3136, 31990), (3199, 31360), (3430, 29248), (3656, 27440), (3920, 25592), (4480, 22393), (4570, 21952), (5488, 18280), (6272, 15995), (6398, 15680), (6860, 14624), (7312, 13720), (7840, 12796), (9140, 10976)]