87444720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 327416544

約数和(自身を除く): 239971824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 61, 66, 72, 80, 88, 90, 99, 110, 120, 122, 132, 144, 165, 176, 180, 181, 183, 198, 220, 240, 244, 264, 305, 330, 360, 362, 366, 396, 440, 488, 495, 528, 543, 549, 610, 660, 671, 720, 724, 732, 792, 880, 905, 915, 976, 990, 1086, 1098, 1220, 1320, 1342, 1448, 1464, 1584, 1629, 1810, 1830, 1980, 1991, 2013, 2172, 2196, 2440, 2640, 2684, 2715, 2745, 2896, 2928, 3258, 3355, 3620, 3660, 3960, 3982, 4026, 4344, 4392, 4880, 5368, 5430, 5490, 5973, 6039, 6516, 6710, 7240, 7320, 7920, 7964, 8052, 8145, 8688, 8784, 9955, 10065, 10736, 10860, 10980, 11041, 11946, 12078, 13032, 13420, 14480, 14640, 15928, 16104, 16290, 17919, 19910, 20130, 21720, 21960, 22082, 23892, 24156, 26064, 26840, 29865, 30195, 31856, 32208, 32580, 33123, 35838, 39820, 40260, 43440, 43920, 44164, 47784, 48312, 53680, 55205, 59730, 60390, 65160, 66246, 71676, 79640, 80520, 88328, 89595, 95568, 96624, 99369, 110410, 119460, 120780, 121451, 130320, 132492, 143352, 159280, 161040, 165615, 176656, 179190, 198738, 220820, 238920, 241560, 242902, 264984, 286704, 331230, 358380, 364353, 397476, 441640, 477840, 483120, 485804, 496845, 529968, 607255, 662460, 716760, 728706, 794952, 883280, 971608, 993690, 1093059, 1214510, 1324920, 1433520, 1457412, 1589904, 1821765, 1943216, 1987380, 2186118, 2429020, 2649840, 2914824, 3643530, 3974760, 4372236, 4858040, 5465295, 5829648, 7287060, 7949520, 8744472, 9716080, 10930590, 14574120, 17488944, 21861180, 29148240, 43722360, 87444720]

約数ペア:

[(1, 87444720), (2, 43722360), (3, 29148240), (4, 21861180), (5, 17488944), (6, 14574120), (8, 10930590), (9, 9716080), (10, 8744472), (11, 7949520), (12, 7287060), (15, 5829648), (16, 5465295), (18, 4858040), (20, 4372236), (22, 3974760), (24, 3643530), (30, 2914824), (33, 2649840), (36, 2429020), (40, 2186118), (44, 1987380), (45, 1943216), (48, 1821765), (55, 1589904), (60, 1457412), (61, 1433520), (66, 1324920), (72, 1214510), (80, 1093059), (88, 993690), (90, 971608), (99, 883280), (110, 794952), (120, 728706), (122, 716760), (132, 662460), (144, 607255), (165, 529968), (176, 496845), (180, 485804), (181, 483120), (183, 477840), (198, 441640), (220, 397476), (240, 364353), (244, 358380), (264, 331230), (305, 286704), (330, 264984), (360, 242902), (362, 241560), (366, 238920), (396, 220820), (440, 198738), (488, 179190), (495, 176656), (528, 165615), (543, 161040), (549, 159280), (610, 143352), (660, 132492), (671, 130320), (720, 121451), (724, 120780), (732, 119460), (792, 110410), (880, 99369), (905, 96624), (915, 95568), (976, 89595), (990, 88328), (1086, 80520), (1098, 79640), (1220, 71676), (1320, 66246), (1342, 65160), (1448, 60390), (1464, 59730), (1584, 55205), (1629, 53680), (1810, 48312), (1830, 47784), (1980, 44164), (1991, 43920), (2013, 43440), (2172, 40260), (2196, 39820), (2440, 35838), (2640, 33123), (2684, 32580), (2715, 32208), (2745, 31856), (2896, 30195), (2928, 29865), (3258, 26840), (3355, 26064), (3620, 24156), (3660, 23892), (3960, 22082), (3982, 21960), (4026, 21720), (4344, 20130), (4392, 19910), (4880, 17919), (5368, 16290), (5430, 16104), (5490, 15928), (5973, 14640), (6039, 14480), (6516, 13420), (6710, 13032), (7240, 12078), (7320, 11946), (7920, 11041), (7964, 10980), (8052, 10860), (8145, 10736), (8688, 10065), (8784, 9955)]