161511040

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3457}}^1$

素因数の和:3549

約数の個数: 64

約数和(自身を含む): 391514760

約数和(自身を除く): 230003720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 2336, 2920, 3457, 4672, 5840, 6914, 9344, 11680, 13828, 17285, 23360, 27656, 34570, 46720, 55312, 69140, 110624, 138280, 221248, 252361, 276560, 442496, 504722, 553120, 1009444, 1106240, 1261805, 2018888, 2212480, 2523610, 4037776, 5047220, 8075552, 10094440, 16151104, 20188880, 32302208, 40377760, 80755520, 161511040]

約数ペア:

[(1, 161511040), (2, 80755520), (4, 40377760), (5, 32302208), (8, 20188880), (10, 16151104), (16, 10094440), (20, 8075552), (32, 5047220), (40, 4037776), (64, 2523610), (73, 2212480), (80, 2018888), (128, 1261805), (146, 1106240), (160, 1009444), (292, 553120), (320, 504722), (365, 442496), (584, 276560), (640, 252361), (730, 221248), (1168, 138280), (1460, 110624), (2336, 69140), (2920, 55312), (3457, 46720), (4672, 34570), (5840, 27656), (6914, 23360), (9344, 17285), (11680, 13828)]