261165240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2862

約数の個数: 192

約数和(自身を含む): 996615360

約数和(自身を除く): 735450120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2220, 2331, 2520, 2590, 2664, 2801, 3108, 3330, 3885, 4440, 4662, 5180, 5602, 6216, 6660, 7770, 8403, 9324, 10360, 11204, 11655, 13320, 14005, 15540, 16806, 18648, 19607, 22408, 23310, 25209, 28010, 31080, 33612, 39214, 42015, 46620, 50418, 56020, 58821, 67224, 78428, 84030, 93240, 98035, 100836, 103637, 112040, 117642, 126045, 156856, 168060, 176463, 196070, 201672, 207274, 235284, 252090, 294105, 310911, 336120, 352926, 392140, 414548, 470568, 504180, 518185, 588210, 621822, 705852, 725459, 784280, 829096, 882315, 932733, 1008360, 1036370, 1176420, 1243644, 1411704, 1450918, 1554555, 1764630, 1865466, 2072740, 2176377, 2352840, 2487288, 2901836, 3109110, 3529260, 3627295, 3730932, 4145480, 4352754, 4663665, 5803672, 6218220, 6529131, 7058520, 7254590, 7461864, 8705508, 9327330, 10881885, 12436440, 13058262, 14509180, 17411016, 18654660, 21763770, 26116524, 29018360, 32645655, 37309320, 43527540, 52233048, 65291310, 87055080, 130582620, 261165240]

約数ペア:

[(1, 261165240), (2, 130582620), (3, 87055080), (4, 65291310), (5, 52233048), (6, 43527540), (7, 37309320), (8, 32645655), (9, 29018360), (10, 26116524), (12, 21763770), (14, 18654660), (15, 17411016), (18, 14509180), (20, 13058262), (21, 12436440), (24, 10881885), (28, 9327330), (30, 8705508), (35, 7461864), (36, 7254590), (37, 7058520), (40, 6529131), (42, 6218220), (45, 5803672), (56, 4663665), (60, 4352754), (63, 4145480), (70, 3730932), (72, 3627295), (74, 3529260), (84, 3109110), (90, 2901836), (105, 2487288), (111, 2352840), (120, 2176377), (126, 2072740), (140, 1865466), (148, 1764630), (168, 1554555), (180, 1450918), (185, 1411704), (210, 1243644), (222, 1176420), (252, 1036370), (259, 1008360), (280, 932733), (296, 882315), (315, 829096), (333, 784280), (360, 725459), (370, 705852), (420, 621822), (444, 588210), (504, 518185), (518, 504180), (555, 470568), (630, 414548), (666, 392140), (740, 352926), (777, 336120), (840, 310911), (888, 294105), (1036, 252090), (1110, 235284), (1260, 207274), (1295, 201672), (1332, 196070), (1480, 176463), (1554, 168060), (1665, 156856), (2072, 126045), (2220, 117642), (2331, 112040), (2520, 103637), (2590, 100836), (2664, 98035), (2801, 93240), (3108, 84030), (3330, 78428), (3885, 67224), (4440, 58821), (4662, 56020), (5180, 50418), (5602, 46620), (6216, 42015), (6660, 39214), (7770, 33612), (8403, 31080), (9324, 28010), (10360, 25209), (11204, 23310), (11655, 22408), (13320, 19607), (14005, 18648), (15540, 16806)]