177642920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 505612800

約数和(自身を除く): 327969880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 728, 740, 910, 962, 1036, 1295, 1319, 1480, 1820, 1924, 2072, 2405, 2590, 2638, 3367, 3640, 3848, 4810, 5180, 5276, 6595, 6734, 9233, 9620, 10360, 10552, 13190, 13468, 16835, 17147, 18466, 19240, 26380, 26936, 33670, 34294, 36932, 46165, 48803, 52760, 67340, 68588, 73864, 85735, 92330, 97606, 120029, 134680, 137176, 171470, 184660, 195212, 240058, 244015, 341621, 342940, 369320, 390424, 480116, 488030, 600145, 634439, 683242, 685880, 960232, 976060, 1200290, 1268878, 1366484, 1708105, 1952120, 2400580, 2537756, 2732968, 3172195, 3416210, 4441073, 4801160, 5075512, 6344390, 6832420, 8882146, 12688780, 13664840, 17764292, 22205365, 25377560, 35528584, 44410730, 88821460, 177642920]

約数ペア:

[(1, 177642920), (2, 88821460), (4, 44410730), (5, 35528584), (7, 25377560), (8, 22205365), (10, 17764292), (13, 13664840), (14, 12688780), (20, 8882146), (26, 6832420), (28, 6344390), (35, 5075512), (37, 4801160), (40, 4441073), (52, 3416210), (56, 3172195), (65, 2732968), (70, 2537756), (74, 2400580), (91, 1952120), (104, 1708105), (130, 1366484), (140, 1268878), (148, 1200290), (182, 976060), (185, 960232), (259, 685880), (260, 683242), (280, 634439), (296, 600145), (364, 488030), (370, 480116), (455, 390424), (481, 369320), (518, 342940), (520, 341621), (728, 244015), (740, 240058), (910, 195212), (962, 184660), (1036, 171470), (1295, 137176), (1319, 134680), (1480, 120029), (1820, 97606), (1924, 92330), (2072, 85735), (2405, 73864), (2590, 68588), (2638, 67340), (3367, 52760), (3640, 48803), (3848, 46165), (4810, 36932), (5180, 34294), (5276, 33670), (6595, 26936), (6734, 26380), (9233, 19240), (9620, 18466), (10360, 17147), (10552, 16835), (13190, 13468)]