61400800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 161989632

約数和(自身を除く): 100588832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 47, 50, 71, 80, 92, 94, 100, 115, 142, 160, 184, 188, 200, 230, 235, 284, 355, 368, 376, 400, 460, 470, 568, 575, 710, 736, 752, 800, 920, 940, 1081, 1136, 1150, 1175, 1420, 1504, 1633, 1775, 1840, 1880, 2162, 2272, 2300, 2350, 2840, 3266, 3337, 3550, 3680, 3760, 4324, 4600, 4700, 5405, 5680, 6532, 6674, 7100, 7520, 8165, 8648, 9200, 9400, 10810, 11360, 13064, 13348, 14200, 16330, 16685, 17296, 18400, 18800, 21620, 26128, 26696, 27025, 28400, 32660, 33370, 34592, 37600, 40825, 43240, 52256, 53392, 54050, 56800, 65320, 66740, 76751, 81650, 83425, 86480, 106784, 108100, 130640, 133480, 153502, 163300, 166850, 172960, 216200, 261280, 266960, 307004, 326600, 333700, 383755, 432400, 533920, 614008, 653200, 667400, 767510, 864800, 1228016, 1306400, 1334800, 1535020, 1918775, 2456032, 2669600, 3070040, 3837550, 6140080, 7675100, 12280160, 15350200, 30700400, 61400800]

約数ペア:

[(1, 61400800), (2, 30700400), (4, 15350200), (5, 12280160), (8, 7675100), (10, 6140080), (16, 3837550), (20, 3070040), (23, 2669600), (25, 2456032), (32, 1918775), (40, 1535020), (46, 1334800), (47, 1306400), (50, 1228016), (71, 864800), (80, 767510), (92, 667400), (94, 653200), (100, 614008), (115, 533920), (142, 432400), (160, 383755), (184, 333700), (188, 326600), (200, 307004), (230, 266960), (235, 261280), (284, 216200), (355, 172960), (368, 166850), (376, 163300), (400, 153502), (460, 133480), (470, 130640), (568, 108100), (575, 106784), (710, 86480), (736, 83425), (752, 81650), (800, 76751), (920, 66740), (940, 65320), (1081, 56800), (1136, 54050), (1150, 53392), (1175, 52256), (1420, 43240), (1504, 40825), (1633, 37600), (1775, 34592), (1840, 33370), (1880, 32660), (2162, 28400), (2272, 27025), (2300, 26696), (2350, 26128), (2840, 21620), (3266, 18800), (3337, 18400), (3550, 17296), (3680, 16685), (3760, 16330), (4324, 14200), (4600, 13348), (4700, 13064), (5405, 11360), (5680, 10810), (6532, 9400), (6674, 9200), (7100, 8648), (7520, 8165)]