64728440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^3$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 183168000

約数和(自身を除く): 118439560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 529, 532, 644, 665, 760, 805, 874, 920, 1058, 1064, 1288, 1330, 1610, 1748, 2116, 2185, 2645, 2660, 3059, 3220, 3496, 3703, 4232, 4370, 5290, 5320, 6118, 6440, 7406, 8740, 10051, 10580, 12167, 12236, 14812, 15295, 17480, 18515, 20102, 21160, 24334, 24472, 29624, 30590, 37030, 40204, 48668, 50255, 60835, 61180, 70357, 74060, 80408, 85169, 97336, 100510, 121670, 122360, 140714, 148120, 170338, 201020, 231173, 243340, 281428, 340676, 351785, 402040, 425845, 462346, 486680, 562856, 681352, 703570, 851690, 924692, 1155865, 1407140, 1618211, 1703380, 1849384, 2311730, 2814280, 3236422, 3406760, 4623460, 6472844, 8091055, 9246920, 12945688, 16182110, 32364220, 64728440]

約数ペア:

[(1, 64728440), (2, 32364220), (4, 16182110), (5, 12945688), (7, 9246920), (8, 8091055), (10, 6472844), (14, 4623460), (19, 3406760), (20, 3236422), (23, 2814280), (28, 2311730), (35, 1849384), (38, 1703380), (40, 1618211), (46, 1407140), (56, 1155865), (70, 924692), (76, 851690), (92, 703570), (95, 681352), (115, 562856), (133, 486680), (140, 462346), (152, 425845), (161, 402040), (184, 351785), (190, 340676), (230, 281428), (266, 243340), (280, 231173), (322, 201020), (380, 170338), (437, 148120), (460, 140714), (529, 122360), (532, 121670), (644, 100510), (665, 97336), (760, 85169), (805, 80408), (874, 74060), (920, 70357), (1058, 61180), (1064, 60835), (1288, 50255), (1330, 48668), (1610, 40204), (1748, 37030), (2116, 30590), (2185, 29624), (2645, 24472), (2660, 24334), (3059, 21160), (3220, 20102), (3496, 18515), (3703, 17480), (4232, 15295), (4370, 14812), (5290, 12236), (5320, 12167), (6118, 10580), (6440, 10051), (7406, 8740)]