128470880

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13163}}^1$

素因数の和:13239

約数の個数: 48

約数和(自身を含む): 308511504

約数和(自身を除く): 180040624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 13163, 26326, 52652, 65815, 105304, 131630, 210608, 263260, 421216, 526520, 802943, 1053040, 1605886, 2106080, 3211772, 4014715, 6423544, 8029430, 12847088, 16058860, 25694176, 32117720, 64235440, 128470880]

約数ペア:

[(1, 128470880), (2, 64235440), (4, 32117720), (5, 25694176), (8, 16058860), (10, 12847088), (16, 8029430), (20, 6423544), (32, 4014715), (40, 3211772), (61, 2106080), (80, 1605886), (122, 1053040), (160, 802943), (244, 526520), (305, 421216), (488, 263260), (610, 210608), (976, 131630), (1220, 105304), (1952, 65815), (2440, 52652), (4880, 26326), (9760, 13163)]