72499520

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3191}}^1$

素因数の和:3279

約数の個数: 56

約数和(自身を含む): 175125888

約数和(自身を除く): 102626368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3191, 4544, 5680, 6382, 11360, 12764, 15955, 22720, 25528, 31910, 51056, 63820, 102112, 127640, 204224, 226561, 255280, 453122, 510560, 906244, 1021120, 1132805, 1812488, 2265610, 3624976, 4531220, 7249952, 9062440, 14499904, 18124880, 36249760, 72499520]

約数ペア:

[(1, 72499520), (2, 36249760), (4, 18124880), (5, 14499904), (8, 9062440), (10, 7249952), (16, 4531220), (20, 3624976), (32, 2265610), (40, 1812488), (64, 1132805), (71, 1021120), (80, 906244), (142, 510560), (160, 453122), (284, 255280), (320, 226561), (355, 204224), (568, 127640), (710, 102112), (1136, 63820), (1420, 51056), (2272, 31910), (2840, 25528), (3191, 22720), (4544, 15955), (5680, 12764), (6382, 11360)]