77812980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 268800000

約数和(自身を除く): 190987020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 199, 210, 228, 245, 266, 285, 294, 343, 380, 398, 399, 420, 490, 532, 570, 588, 597, 665, 686, 735, 796, 798, 931, 980, 995, 1029, 1140, 1194, 1330, 1372, 1393, 1470, 1596, 1715, 1862, 1990, 1995, 2058, 2388, 2660, 2786, 2793, 2940, 2985, 3430, 3724, 3781, 3980, 3990, 4116, 4179, 4655, 5145, 5572, 5586, 5970, 6517, 6860, 6965, 7562, 7980, 8358, 9310, 9751, 10290, 11172, 11343, 11940, 13034, 13930, 13965, 15124, 16716, 18620, 18905, 19502, 19551, 20580, 20895, 22686, 26068, 26467, 27860, 27930, 29253, 32585, 37810, 39004, 39102, 41790, 45372, 48755, 52934, 55860, 56715, 58506, 65170, 68257, 75620, 78204, 79401, 83580, 97510, 97755, 105868, 113430, 117012, 130340, 132335, 136514, 146265, 158802, 185269, 195020, 195510, 204771, 226860, 264670, 273028, 292530, 317604, 341285, 370538, 391020, 397005, 409542, 529340, 555807, 585060, 682570, 741076, 794010, 819084, 926345, 1023855, 1111614, 1296883, 1365140, 1588020, 1852690, 2047710, 2223228, 2593766, 2779035, 3705380, 3890649, 4095420, 5187532, 5558070, 6484415, 7781298, 11116140, 12968830, 15562596, 19453245, 25937660, 38906490, 77812980]

約数ペア:

[(1, 77812980), (2, 38906490), (3, 25937660), (4, 19453245), (5, 15562596), (6, 12968830), (7, 11116140), (10, 7781298), (12, 6484415), (14, 5558070), (15, 5187532), (19, 4095420), (20, 3890649), (21, 3705380), (28, 2779035), (30, 2593766), (35, 2223228), (38, 2047710), (42, 1852690), (49, 1588020), (57, 1365140), (60, 1296883), (70, 1111614), (76, 1023855), (84, 926345), (95, 819084), (98, 794010), (105, 741076), (114, 682570), (133, 585060), (140, 555807), (147, 529340), (190, 409542), (196, 397005), (199, 391020), (210, 370538), (228, 341285), (245, 317604), (266, 292530), (285, 273028), (294, 264670), (343, 226860), (380, 204771), (398, 195510), (399, 195020), (420, 185269), (490, 158802), (532, 146265), (570, 136514), (588, 132335), (597, 130340), (665, 117012), (686, 113430), (735, 105868), (796, 97755), (798, 97510), (931, 83580), (980, 79401), (995, 78204), (1029, 75620), (1140, 68257), (1194, 65170), (1330, 58506), (1372, 56715), (1393, 55860), (1470, 52934), (1596, 48755), (1715, 45372), (1862, 41790), (1990, 39102), (1995, 39004), (2058, 37810), (2388, 32585), (2660, 29253), (2786, 27930), (2793, 27860), (2940, 26467), (2985, 26068), (3430, 22686), (3724, 20895), (3781, 20580), (3980, 19551), (3990, 19502), (4116, 18905), (4179, 18620), (4655, 16716), (5145, 15124), (5572, 13965), (5586, 13930), (5970, 13034), (6517, 11940), (6860, 11343), (6965, 11172), (7562, 10290), (7980, 9751), (8358, 9310)]