64774420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 156280320

約数和(自身を除く): 91505900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 37, 38, 68, 74, 76, 85, 95, 148, 170, 185, 190, 271, 323, 340, 370, 380, 542, 629, 646, 703, 740, 1084, 1258, 1292, 1355, 1406, 1615, 2516, 2710, 2812, 3145, 3230, 3515, 4607, 5149, 5420, 6290, 6460, 7030, 9214, 10027, 10298, 11951, 12580, 14060, 18428, 20054, 20596, 23035, 23902, 25745, 40108, 46070, 47804, 50135, 51490, 59755, 87533, 92140, 100270, 102980, 119510, 170459, 175066, 190513, 200540, 239020, 340918, 350132, 381026, 437665, 681836, 762052, 852295, 875330, 952565, 1704590, 1750660, 1905130, 3238721, 3409180, 3810260, 6477442, 12954884, 16193605, 32387210, 64774420]

約数ペア:

[(1, 64774420), (2, 32387210), (4, 16193605), (5, 12954884), (10, 6477442), (17, 3810260), (19, 3409180), (20, 3238721), (34, 1905130), (37, 1750660), (38, 1704590), (68, 952565), (74, 875330), (76, 852295), (85, 762052), (95, 681836), (148, 437665), (170, 381026), (185, 350132), (190, 340918), (271, 239020), (323, 200540), (340, 190513), (370, 175066), (380, 170459), (542, 119510), (629, 102980), (646, 100270), (703, 92140), (740, 87533), (1084, 59755), (1258, 51490), (1292, 50135), (1355, 47804), (1406, 46070), (1615, 40108), (2516, 25745), (2710, 23902), (2812, 23035), (3145, 20596), (3230, 20054), (3515, 18428), (4607, 14060), (5149, 12580), (5420, 11951), (6290, 10298), (6460, 10027), (7030, 9214)]