68655720

素因数分解:

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

素因数の和:152

約数の個数: 192

約数和(自身を含む): 247006080

約数和(自身を除く): 178350360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 47, 56, 60, 70, 74, 84, 94, 105, 111, 120, 140, 141, 148, 168, 185, 188, 210, 222, 235, 259, 280, 282, 296, 329, 370, 376, 420, 444, 470, 518, 555, 564, 658, 705, 740, 777, 840, 888, 940, 987, 1036, 1110, 1128, 1295, 1316, 1410, 1480, 1554, 1645, 1739, 1880, 1974, 2072, 2209, 2220, 2590, 2632, 2820, 3108, 3290, 3478, 3885, 3948, 4418, 4440, 4935, 5180, 5217, 5640, 6216, 6580, 6627, 6956, 7770, 7896, 8695, 8836, 9870, 10360, 10434, 11045, 12173, 13160, 13254, 13912, 15463, 15540, 17390, 17672, 19740, 20868, 22090, 24346, 26085, 26508, 30926, 31080, 33135, 34780, 36519, 39480, 41736, 44180, 46389, 48692, 52170, 53016, 60865, 61852, 66270, 69560, 73038, 77315, 81733, 88360, 92778, 97384, 104340, 121730, 123704, 132540, 146076, 154630, 163466, 182595, 185556, 208680, 231945, 243460, 245199, 265080, 292152, 309260, 326932, 365190, 371112, 408665, 463890, 486920, 490398, 572131, 618520, 653864, 730380, 817330, 927780, 980796, 1144262, 1225995, 1460760, 1634660, 1716393, 1855560, 1961592, 2288524, 2451990, 2860655, 3269320, 3432786, 4577048, 4903980, 5721310, 6865572, 8581965, 9807960, 11442620, 13731144, 17163930, 22885240, 34327860, 68655720]

約数ペア:

[(1, 68655720), (2, 34327860), (3, 22885240), (4, 17163930), (5, 13731144), (6, 11442620), (7, 9807960), (8, 8581965), (10, 6865572), (12, 5721310), (14, 4903980), (15, 4577048), (20, 3432786), (21, 3269320), (24, 2860655), (28, 2451990), (30, 2288524), (35, 1961592), (37, 1855560), (40, 1716393), (42, 1634660), (47, 1460760), (56, 1225995), (60, 1144262), (70, 980796), (74, 927780), (84, 817330), (94, 730380), (105, 653864), (111, 618520), (120, 572131), (140, 490398), (141, 486920), (148, 463890), (168, 408665), (185, 371112), (188, 365190), (210, 326932), (222, 309260), (235, 292152), (259, 265080), (280, 245199), (282, 243460), (296, 231945), (329, 208680), (370, 185556), (376, 182595), (420, 163466), (444, 154630), (470, 146076), (518, 132540), (555, 123704), (564, 121730), (658, 104340), (705, 97384), (740, 92778), (777, 88360), (840, 81733), (888, 77315), (940, 73038), (987, 69560), (1036, 66270), (1110, 61852), (1128, 60865), (1295, 53016), (1316, 52170), (1410, 48692), (1480, 46389), (1554, 44180), (1645, 41736), (1739, 39480), (1880, 36519), (1974, 34780), (2072, 33135), (2209, 31080), (2220, 30926), (2590, 26508), (2632, 26085), (2820, 24346), (3108, 22090), (3290, 20868), (3478, 19740), (3885, 17672), (3948, 17390), (4418, 15540), (4440, 15463), (4935, 13912), (5180, 13254), (5217, 13160), (5640, 12173), (6216, 11045), (6580, 10434), (6627, 10360), (6956, 9870), (7770, 8836), (7896, 8695)]