2981120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 7615944

約数和(自身を除く): 4634824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 137, 160, 170, 256, 272, 274, 320, 340, 544, 548, 640, 680, 685, 1088, 1096, 1280, 1360, 1370, 2176, 2192, 2329, 2720, 2740, 4352, 4384, 4658, 5440, 5480, 8768, 9316, 10880, 10960, 11645, 17536, 18632, 21760, 21920, 23290, 35072, 37264, 43840, 46580, 74528, 87680, 93160, 149056, 175360, 186320, 298112, 372640, 596224, 745280, 1490560, 2981120]

約数ペア:

[(1, 2981120), (2, 1490560), (4, 745280), (5, 596224), (8, 372640), (10, 298112), (16, 186320), (17, 175360), (20, 149056), (32, 93160), (34, 87680), (40, 74528), (64, 46580), (68, 43840), (80, 37264), (85, 35072), (128, 23290), (136, 21920), (137, 21760), (160, 18632), (170, 17536), (256, 11645), (272, 10960), (274, 10880), (320, 9316), (340, 8768), (544, 5480), (548, 5440), (640, 4658), (680, 4384), (685, 4352), (1088, 2740), (1096, 2720), (1280, 2329), (1360, 2192), (1370, 2176)]