256200120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2146

約数の個数: 192

約数和(自身を含む): 938096640

約数和(自身を除く): 681896520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1860, 1980, 2046, 2087, 2232, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 4174, 5115, 5580, 6138, 6261, 6820, 8184, 8348, 10230, 10435, 11160, 12276, 12522, 13640, 15345, 16696, 18783, 20460, 20870, 22957, 24552, 25044, 30690, 31305, 37566, 40920, 41740, 45914, 50088, 61380, 62610, 64697, 68871, 75132, 83480, 91828, 93915, 114785, 122760, 125220, 129394, 137742, 150264, 183656, 187830, 194091, 206613, 229570, 250440, 258788, 275484, 323485, 344355, 375660, 388182, 413226, 459140, 517576, 550968, 582273, 646970, 688710, 711667, 751320, 776364, 826452, 918280, 970455, 1033065, 1164546, 1293940, 1377420, 1423334, 1552728, 1652904, 1940910, 2066130, 2135001, 2329092, 2587880, 2754840, 2846668, 2911365, 3558335, 3881820, 4132260, 4270002, 4658184, 5693336, 5822730, 6405003, 7116670, 7763640, 8264520, 8540004, 10675005, 11645460, 12810006, 14233340, 17080008, 21350010, 23290920, 25620012, 28466680, 32025015, 42700020, 51240024, 64050030, 85400040, 128100060, 256200120]

約数ペア:

[(1, 256200120), (2, 128100060), (3, 85400040), (4, 64050030), (5, 51240024), (6, 42700020), (8, 32025015), (9, 28466680), (10, 25620012), (11, 23290920), (12, 21350010), (15, 17080008), (18, 14233340), (20, 12810006), (22, 11645460), (24, 10675005), (30, 8540004), (31, 8264520), (33, 7763640), (36, 7116670), (40, 6405003), (44, 5822730), (45, 5693336), (55, 4658184), (60, 4270002), (62, 4132260), (66, 3881820), (72, 3558335), (88, 2911365), (90, 2846668), (93, 2754840), (99, 2587880), (110, 2329092), (120, 2135001), (124, 2066130), (132, 1940910), (155, 1652904), (165, 1552728), (180, 1423334), (186, 1377420), (198, 1293940), (220, 1164546), (248, 1033065), (264, 970455), (279, 918280), (310, 826452), (330, 776364), (341, 751320), (360, 711667), (372, 688710), (396, 646970), (440, 582273), (465, 550968), (495, 517576), (558, 459140), (620, 413226), (660, 388182), (682, 375660), (744, 344355), (792, 323485), (930, 275484), (990, 258788), (1023, 250440), (1116, 229570), (1240, 206613), (1320, 194091), (1364, 187830), (1395, 183656), (1705, 150264), (1860, 137742), (1980, 129394), (2046, 125220), (2087, 122760), (2232, 114785), (2728, 93915), (2790, 91828), (3069, 83480), (3410, 75132), (3720, 68871), (3960, 64697), (4092, 62610), (4174, 61380), (5115, 50088), (5580, 45914), (6138, 41740), (6261, 40920), (6820, 37566), (8184, 31305), (8348, 30690), (10230, 25044), (10435, 24552), (11160, 22957), (12276, 20870), (12522, 20460), (13640, 18783), (15345, 16696)]