164203280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 399926784

約数和(自身を除く): 235723504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 907, 1168, 1240, 1460, 1814, 2263, 2480, 2920, 3628, 4526, 4535, 5840, 7256, 9052, 9070, 11315, 14512, 18104, 18140, 22630, 28117, 36208, 36280, 45260, 56234, 66211, 72560, 90520, 112468, 132422, 140585, 181040, 224936, 264844, 281170, 331055, 449872, 529688, 562340, 662110, 1059376, 1124680, 1324220, 2052541, 2249360, 2648440, 4105082, 5296880, 8210164, 10262705, 16420328, 20525410, 32840656, 41050820, 82101640, 164203280]

約数ペア:

[(1, 164203280), (2, 82101640), (4, 41050820), (5, 32840656), (8, 20525410), (10, 16420328), (16, 10262705), (20, 8210164), (31, 5296880), (40, 4105082), (62, 2648440), (73, 2249360), (80, 2052541), (124, 1324220), (146, 1124680), (155, 1059376), (248, 662110), (292, 562340), (310, 529688), (365, 449872), (496, 331055), (584, 281170), (620, 264844), (730, 224936), (907, 181040), (1168, 140585), (1240, 132422), (1460, 112468), (1814, 90520), (2263, 72560), (2480, 66211), (2920, 56234), (3628, 45260), (4526, 36280), (4535, 36208), (5840, 28117), (7256, 22630), (9052, 18140), (9070, 18104), (11315, 14512)]