30985560

素因数分解:

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

素因数の和:178

約数の個数: 192

約数和(自身を含む): 109680480

約数和(自身を除く): 78694920

約数列:

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

約数ペア:

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