157191520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57791}}^1$

素因数の和:57823

約数の個数: 48

約数和(自身を含む): 393216768

約数和(自身を除く): 236025248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 57791, 115582, 231164, 288955, 462328, 577910, 924656, 982447, 1155820, 1849312, 1964894, 2311640, 3929788, 4623280, 4912235, 7859576, 9246560, 9824470, 15719152, 19648940, 31438304, 39297880, 78595760, 157191520]

約数ペア:

[(1, 157191520), (2, 78595760), (4, 39297880), (5, 31438304), (8, 19648940), (10, 15719152), (16, 9824470), (17, 9246560), (20, 7859576), (32, 4912235), (34, 4623280), (40, 3929788), (68, 2311640), (80, 1964894), (85, 1849312), (136, 1155820), (160, 982447), (170, 924656), (272, 577910), (340, 462328), (544, 288955), (680, 231164), (1360, 115582), (2720, 57791)]