71290880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{59}}^2$

素因数の和:147

約数の個数: 78

約数和(自身を含む): 174025986

約数和(自身を除く): 102735106

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 512, 590, 640, 944, 1024, 1180, 1280, 1888, 2048, 2360, 2560, 3481, 3776, 4096, 4720, 5120, 6962, 7552, 9440, 10240, 13924, 15104, 17405, 18880, 20480, 27848, 30208, 34810, 37760, 55696, 60416, 69620, 75520, 111392, 120832, 139240, 151040, 222784, 241664, 278480, 302080, 445568, 556960, 604160, 891136, 1113920, 1208320, 1782272, 2227840, 3564544, 4455680, 7129088, 8911360, 14258176, 17822720, 35645440, 71290880]

約数ペア:

[(1, 71290880), (2, 35645440), (4, 17822720), (5, 14258176), (8, 8911360), (10, 7129088), (16, 4455680), (20, 3564544), (32, 2227840), (40, 1782272), (59, 1208320), (64, 1113920), (80, 891136), (118, 604160), (128, 556960), (160, 445568), (236, 302080), (256, 278480), (295, 241664), (320, 222784), (472, 151040), (512, 139240), (590, 120832), (640, 111392), (944, 75520), (1024, 69620), (1180, 60416), (1280, 55696), (1888, 37760), (2048, 34810), (2360, 30208), (2560, 27848), (3481, 20480), (3776, 18880), (4096, 17405), (4720, 15104), (5120, 13924), (6962, 10240), (7552, 9440)]