209632640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:740

約数の個数: 128

約数和(自身を含む): 581497920

約数和(自身を除く): 371865280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 641, 730, 896, 1022, 1120, 1168, 1282, 1460, 2044, 2240, 2336, 2555, 2564, 2920, 3205, 4088, 4480, 4487, 4672, 5110, 5128, 5840, 6410, 8176, 8974, 9344, 10220, 10256, 11680, 12820, 16352, 17948, 20440, 20512, 22435, 23360, 25640, 32704, 35896, 40880, 41024, 44870, 46720, 46793, 51280, 65408, 71792, 81760, 82048, 89740, 93586, 102560, 143584, 163520, 179480, 187172, 205120, 233965, 287168, 327040, 327551, 358960, 374344, 410240, 467930, 574336, 655102, 717920, 748688, 935860, 1310204, 1435840, 1497376, 1637755, 1871720, 2620408, 2871680, 2994752, 3275510, 3743440, 5240816, 5989504, 6551020, 7486880, 10481632, 13102040, 14973760, 20963264, 26204080, 29947520, 41926528, 52408160, 104816320, 209632640]

約数ペア:

[(1, 209632640), (2, 104816320), (4, 52408160), (5, 41926528), (7, 29947520), (8, 26204080), (10, 20963264), (14, 14973760), (16, 13102040), (20, 10481632), (28, 7486880), (32, 6551020), (35, 5989504), (40, 5240816), (56, 3743440), (64, 3275510), (70, 2994752), (73, 2871680), (80, 2620408), (112, 1871720), (128, 1637755), (140, 1497376), (146, 1435840), (160, 1310204), (224, 935860), (280, 748688), (292, 717920), (320, 655102), (365, 574336), (448, 467930), (511, 410240), (560, 374344), (584, 358960), (640, 327551), (641, 327040), (730, 287168), (896, 233965), (1022, 205120), (1120, 187172), (1168, 179480), (1282, 163520), (1460, 143584), (2044, 102560), (2240, 93586), (2336, 89740), (2555, 82048), (2564, 81760), (2920, 71792), (3205, 65408), (4088, 51280), (4480, 46793), (4487, 46720), (4672, 44870), (5110, 41024), (5128, 40880), (5840, 35896), (6410, 32704), (8176, 25640), (8974, 23360), (9344, 22435), (10220, 20512), (10256, 20440), (11680, 17948), (12820, 16352)]