289997120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3560

約数の個数: 112

約数和(自身を含む): 810768000

約数和(自身を除く): 520770880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 518, 560, 592, 740, 1036, 1120, 1184, 1295, 1480, 2072, 2240, 2368, 2590, 2960, 3499, 4144, 5180, 5920, 6998, 8288, 10360, 11840, 13996, 16576, 17495, 20720, 24493, 27992, 34990, 41440, 48986, 55984, 69980, 82880, 97972, 111968, 122465, 129463, 139960, 195944, 223936, 244930, 258926, 279920, 391888, 489860, 517852, 559840, 647315, 783776, 906241, 979720, 1035704, 1119680, 1294630, 1567552, 1812482, 1959440, 2071408, 2589260, 3624964, 3918880, 4142816, 4531205, 5178520, 7249928, 7837760, 8285632, 9062410, 10357040, 14499856, 18124820, 20714080, 28999712, 36249640, 41428160, 57999424, 72499280, 144998560, 289997120]

約数ペア:

[(1, 289997120), (2, 144998560), (4, 72499280), (5, 57999424), (7, 41428160), (8, 36249640), (10, 28999712), (14, 20714080), (16, 18124820), (20, 14499856), (28, 10357040), (32, 9062410), (35, 8285632), (37, 7837760), (40, 7249928), (56, 5178520), (64, 4531205), (70, 4142816), (74, 3918880), (80, 3624964), (112, 2589260), (140, 2071408), (148, 1959440), (160, 1812482), (185, 1567552), (224, 1294630), (259, 1119680), (280, 1035704), (296, 979720), (320, 906241), (370, 783776), (448, 647315), (518, 559840), (560, 517852), (592, 489860), (740, 391888), (1036, 279920), (1120, 258926), (1184, 244930), (1295, 223936), (1480, 195944), (2072, 139960), (2240, 129463), (2368, 122465), (2590, 111968), (2960, 97972), (3499, 82880), (4144, 69980), (5180, 55984), (5920, 48986), (6998, 41440), (8288, 34990), (10360, 27992), (11840, 24493), (13996, 20720), (16576, 17495)]