61971120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 226672992

約数和(自身を除く): 164701872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 61, 68, 72, 80, 83, 85, 90, 102, 120, 122, 136, 144, 153, 166, 170, 180, 183, 204, 240, 244, 249, 255, 272, 305, 306, 332, 340, 360, 366, 408, 415, 488, 498, 510, 549, 610, 612, 664, 680, 720, 732, 747, 765, 816, 830, 915, 976, 996, 1020, 1037, 1098, 1220, 1224, 1245, 1328, 1360, 1411, 1464, 1494, 1530, 1660, 1830, 1992, 2040, 2074, 2196, 2440, 2448, 2490, 2745, 2822, 2928, 2988, 3060, 3111, 3320, 3660, 3735, 3984, 4080, 4148, 4233, 4392, 4880, 4980, 5063, 5185, 5490, 5644, 5976, 6120, 6222, 6640, 7055, 7320, 7470, 8296, 8466, 8784, 9333, 9960, 10126, 10370, 10980, 11288, 11952, 12240, 12444, 12699, 14110, 14640, 14940, 15189, 15555, 16592, 16932, 18666, 19920, 20252, 20740, 21165, 21960, 22576, 24888, 25315, 25398, 28220, 29880, 30378, 31110, 33864, 37332, 40504, 41480, 42330, 43920, 45567, 46665, 49776, 50630, 50796, 56440, 59760, 60756, 62220, 63495, 67728, 74664, 75945, 81008, 82960, 84660, 86071, 91134, 93330, 101260, 101592, 112880, 121512, 124440, 126990, 149328, 151890, 169320, 172142, 182268, 186660, 202520, 203184, 227835, 243024, 248880, 253980, 258213, 303780, 338640, 344284, 364536, 373320, 405040, 430355, 455670, 507960, 516426, 607560, 688568, 729072, 746640, 774639, 860710, 911340, 1015920, 1032852, 1215120, 1291065, 1377136, 1549278, 1721420, 1822680, 2065704, 2582130, 3098556, 3442840, 3645360, 3873195, 4131408, 5164260, 6197112, 6885680, 7746390, 10328520, 12394224, 15492780, 20657040, 30985560, 61971120]

約数ペア:

[(1, 61971120), (2, 30985560), (3, 20657040), (4, 15492780), (5, 12394224), (6, 10328520), (8, 7746390), (9, 6885680), (10, 6197112), (12, 5164260), (15, 4131408), (16, 3873195), (17, 3645360), (18, 3442840), (20, 3098556), (24, 2582130), (30, 2065704), (34, 1822680), (36, 1721420), (40, 1549278), (45, 1377136), (48, 1291065), (51, 1215120), (60, 1032852), (61, 1015920), (68, 911340), (72, 860710), (80, 774639), (83, 746640), (85, 729072), (90, 688568), (102, 607560), (120, 516426), (122, 507960), (136, 455670), (144, 430355), (153, 405040), (166, 373320), (170, 364536), (180, 344284), (183, 338640), (204, 303780), (240, 258213), (244, 253980), (249, 248880), (255, 243024), (272, 227835), (305, 203184), (306, 202520), (332, 186660), (340, 182268), (360, 172142), (366, 169320), (408, 151890), (415, 149328), (488, 126990), (498, 124440), (510, 121512), (549, 112880), (610, 101592), (612, 101260), (664, 93330), (680, 91134), (720, 86071), (732, 84660), (747, 82960), (765, 81008), (816, 75945), (830, 74664), (915, 67728), (976, 63495), (996, 62220), (1020, 60756), (1037, 59760), (1098, 56440), (1220, 50796), (1224, 50630), (1245, 49776), (1328, 46665), (1360, 45567), (1411, 43920), (1464, 42330), (1494, 41480), (1530, 40504), (1660, 37332), (1830, 33864), (1992, 31110), (2040, 30378), (2074, 29880), (2196, 28220), (2440, 25398), (2448, 25315), (2490, 24888), (2745, 22576), (2822, 21960), (2928, 21165), (2988, 20740), (3060, 20252), (3111, 19920), (3320, 18666), (3660, 16932), (3735, 16592), (3984, 15555), (4080, 15189), (4148, 14940), (4233, 14640), (4392, 14110), (4880, 12699), (4980, 12444), (5063, 12240), (5185, 11952), (5490, 11288), (5644, 10980), (5976, 10370), (6120, 10126), (6222, 9960), (6640, 9333), (7055, 8784), (7320, 8466), (7470, 8296)]