72881120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1012

約数の個数: 96

約数和(自身を含む): 190639008

約数和(自身を除く): 117757888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 370, 416, 481, 520, 592, 740, 947, 962, 1040, 1184, 1480, 1894, 1924, 2080, 2405, 2960, 3788, 3848, 4735, 4810, 5920, 7576, 7696, 9470, 9620, 12311, 15152, 15392, 18940, 19240, 24622, 30304, 35039, 37880, 38480, 49244, 61555, 70078, 75760, 76960, 98488, 123110, 140156, 151520, 175195, 196976, 246220, 280312, 350390, 393952, 455507, 492440, 560624, 700780, 911014, 984880, 1121248, 1401560, 1822028, 1969760, 2277535, 2803120, 3644056, 4555070, 5606240, 7288112, 9110140, 14576224, 18220280, 36440560, 72881120]

約数ペア:

[(1, 72881120), (2, 36440560), (4, 18220280), (5, 14576224), (8, 9110140), (10, 7288112), (13, 5606240), (16, 4555070), (20, 3644056), (26, 2803120), (32, 2277535), (37, 1969760), (40, 1822028), (52, 1401560), (65, 1121248), (74, 984880), (80, 911014), (104, 700780), (130, 560624), (148, 492440), (160, 455507), (185, 393952), (208, 350390), (260, 280312), (296, 246220), (370, 196976), (416, 175195), (481, 151520), (520, 140156), (592, 123110), (740, 98488), (947, 76960), (962, 75760), (1040, 70078), (1184, 61555), (1480, 49244), (1894, 38480), (1924, 37880), (2080, 35039), (2405, 30304), (2960, 24622), (3788, 19240), (3848, 18940), (4735, 15392), (4810, 15152), (5920, 12311), (7576, 9620), (7696, 9470)]