67681880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 183859200

約数和(自身を除く): 116177320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 139, 140, 148, 185, 188, 235, 259, 278, 280, 296, 329, 370, 376, 470, 518, 556, 658, 695, 740, 940, 973, 1036, 1112, 1295, 1316, 1390, 1480, 1645, 1739, 1880, 1946, 2072, 2590, 2632, 2780, 3290, 3478, 3892, 4865, 5143, 5180, 5560, 6533, 6580, 6956, 7784, 8695, 9730, 10286, 10360, 12173, 13066, 13160, 13912, 17390, 19460, 20572, 24346, 25715, 26132, 32665, 34780, 36001, 38920, 41144, 45731, 48692, 51430, 52264, 60865, 65330, 69560, 72002, 91462, 97384, 102860, 121730, 130660, 144004, 180005, 182924, 205720, 228655, 241721, 243460, 261320, 288008, 360010, 365848, 457310, 483442, 486920, 720020, 914620, 966884, 1208605, 1440040, 1692047, 1829240, 1933768, 2417210, 3384094, 4834420, 6768188, 8460235, 9668840, 13536376, 16920470, 33840940, 67681880]

約数ペア:

[(1, 67681880), (2, 33840940), (4, 16920470), (5, 13536376), (7, 9668840), (8, 8460235), (10, 6768188), (14, 4834420), (20, 3384094), (28, 2417210), (35, 1933768), (37, 1829240), (40, 1692047), (47, 1440040), (56, 1208605), (70, 966884), (74, 914620), (94, 720020), (139, 486920), (140, 483442), (148, 457310), (185, 365848), (188, 360010), (235, 288008), (259, 261320), (278, 243460), (280, 241721), (296, 228655), (329, 205720), (370, 182924), (376, 180005), (470, 144004), (518, 130660), (556, 121730), (658, 102860), (695, 97384), (740, 91462), (940, 72002), (973, 69560), (1036, 65330), (1112, 60865), (1295, 52264), (1316, 51430), (1390, 48692), (1480, 45731), (1645, 41144), (1739, 38920), (1880, 36001), (1946, 34780), (2072, 32665), (2590, 26132), (2632, 25715), (2780, 24346), (3290, 20572), (3478, 19460), (3892, 17390), (4865, 13912), (5143, 13160), (5180, 13066), (5560, 12173), (6533, 10360), (6580, 10286), (6956, 9730), (7784, 8695)]