681678480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2261

約数の個数: 160

約数和(自身を含む): 2428416000

約数和(自身を除く): 1746737520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 560, 597, 796, 840, 995, 1194, 1393, 1592, 1680, 1990, 2039, 2388, 2786, 2985, 3184, 3980, 4078, 4179, 4776, 5572, 5970, 6117, 6965, 7960, 8156, 8358, 9552, 10195, 11144, 11940, 12234, 13930, 14273, 15920, 16312, 16716, 20390, 20895, 22288, 23880, 24468, 27860, 28546, 30585, 32624, 33432, 40780, 41790, 42819, 47760, 48936, 55720, 57092, 61170, 66864, 71365, 81560, 83580, 85638, 97872, 111440, 114184, 122340, 142730, 163120, 167160, 171276, 214095, 228368, 244680, 285460, 334320, 342552, 405761, 428190, 489360, 570920, 685104, 811522, 856380, 1141840, 1217283, 1623044, 1712760, 2028805, 2434566, 2840327, 3246088, 3425520, 4057610, 4869132, 5680654, 6086415, 6492176, 8115220, 8520981, 9738264, 11361308, 12172830, 14201635, 16230440, 17041962, 19476528, 22722616, 24345660, 28403270, 32460880, 34083924, 42604905, 45445232, 48691320, 56806540, 68167848, 85209810, 97382640, 113613080, 136335696, 170419620, 227226160, 340839240, 681678480]

約数ペア:

[(1, 681678480), (2, 340839240), (3, 227226160), (4, 170419620), (5, 136335696), (6, 113613080), (7, 97382640), (8, 85209810), (10, 68167848), (12, 56806540), (14, 48691320), (15, 45445232), (16, 42604905), (20, 34083924), (21, 32460880), (24, 28403270), (28, 24345660), (30, 22722616), (35, 19476528), (40, 17041962), (42, 16230440), (48, 14201635), (56, 12172830), (60, 11361308), (70, 9738264), (80, 8520981), (84, 8115220), (105, 6492176), (112, 6086415), (120, 5680654), (140, 4869132), (168, 4057610), (199, 3425520), (210, 3246088), (240, 2840327), (280, 2434566), (336, 2028805), (398, 1712760), (420, 1623044), (560, 1217283), (597, 1141840), (796, 856380), (840, 811522), (995, 685104), (1194, 570920), (1393, 489360), (1592, 428190), (1680, 405761), (1990, 342552), (2039, 334320), (2388, 285460), (2786, 244680), (2985, 228368), (3184, 214095), (3980, 171276), (4078, 167160), (4179, 163120), (4776, 142730), (5572, 122340), (5970, 114184), (6117, 111440), (6965, 97872), (7960, 85638), (8156, 83580), (8358, 81560), (9552, 71365), (10195, 66864), (11144, 61170), (11940, 57092), (12234, 55720), (13930, 48936), (14273, 47760), (15920, 42819), (16312, 41790), (16716, 40780), (20390, 33432), (20895, 32624), (22288, 30585), (23880, 28546), (24468, 27860)]