178688520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 603532800

約数和(自身を除く): 424844280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 79, 90, 103, 120, 122, 158, 180, 183, 206, 237, 244, 305, 309, 316, 360, 366, 395, 412, 474, 488, 515, 549, 610, 618, 632, 711, 732, 790, 824, 915, 927, 948, 1030, 1098, 1185, 1220, 1236, 1422, 1464, 1545, 1580, 1830, 1854, 1896, 2060, 2196, 2370, 2440, 2472, 2745, 2844, 3090, 3160, 3555, 3660, 3708, 4120, 4392, 4635, 4740, 4819, 5490, 5688, 6180, 6283, 7110, 7320, 7416, 8137, 9270, 9480, 9638, 10980, 12360, 12566, 14220, 14457, 16274, 18540, 18849, 19276, 21960, 24095, 24411, 25132, 28440, 28914, 31415, 32548, 37080, 37698, 38552, 40685, 43371, 48190, 48822, 50264, 56547, 57828, 62830, 65096, 72285, 73233, 75396, 81370, 86742, 94245, 96380, 97644, 113094, 115656, 122055, 125660, 144570, 146466, 150792, 162740, 173484, 188490, 192760, 195288, 216855, 226188, 244110, 251320, 282735, 289140, 292932, 325480, 346968, 366165, 376980, 433710, 452376, 488220, 496357, 565470, 578280, 585864, 732330, 753960, 867420, 976440, 992714, 1130940, 1464660, 1489071, 1734840, 1985428, 2261880, 2481785, 2929320, 2978142, 3970856, 4467213, 4963570, 5956284, 7445355, 8934426, 9927140, 11912568, 14890710, 17868852, 19854280, 22336065, 29781420, 35737704, 44672130, 59562840, 89344260, 178688520]

約数ペア:

[(1, 178688520), (2, 89344260), (3, 59562840), (4, 44672130), (5, 35737704), (6, 29781420), (8, 22336065), (9, 19854280), (10, 17868852), (12, 14890710), (15, 11912568), (18, 9927140), (20, 8934426), (24, 7445355), (30, 5956284), (36, 4963570), (40, 4467213), (45, 3970856), (60, 2978142), (61, 2929320), (72, 2481785), (79, 2261880), (90, 1985428), (103, 1734840), (120, 1489071), (122, 1464660), (158, 1130940), (180, 992714), (183, 976440), (206, 867420), (237, 753960), (244, 732330), (305, 585864), (309, 578280), (316, 565470), (360, 496357), (366, 488220), (395, 452376), (412, 433710), (474, 376980), (488, 366165), (515, 346968), (549, 325480), (610, 292932), (618, 289140), (632, 282735), (711, 251320), (732, 244110), (790, 226188), (824, 216855), (915, 195288), (927, 192760), (948, 188490), (1030, 173484), (1098, 162740), (1185, 150792), (1220, 146466), (1236, 144570), (1422, 125660), (1464, 122055), (1545, 115656), (1580, 113094), (1830, 97644), (1854, 96380), (1896, 94245), (2060, 86742), (2196, 81370), (2370, 75396), (2440, 73233), (2472, 72285), (2745, 65096), (2844, 62830), (3090, 57828), (3160, 56547), (3555, 50264), (3660, 48822), (3708, 48190), (4120, 43371), (4392, 40685), (4635, 38552), (4740, 37698), (4819, 37080), (5490, 32548), (5688, 31415), (6180, 28914), (6283, 28440), (7110, 25132), (7320, 24411), (7416, 24095), (8137, 21960), (9270, 19276), (9480, 18849), (9638, 18540), (10980, 16274), (12360, 14457), (12566, 14220)]