287674380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1248

約数の個数: 144

約数和(自身を含む): 1002630720

約数和(自身を除く): 714956340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 229, 252, 315, 420, 458, 630, 687, 916, 997, 1145, 1260, 1374, 1603, 1994, 2061, 2290, 2748, 2991, 3206, 3435, 3988, 4122, 4580, 4809, 4985, 5982, 6412, 6870, 6979, 8015, 8244, 8973, 9618, 9970, 10305, 11964, 13740, 13958, 14427, 14955, 16030, 17946, 19236, 19940, 20610, 20937, 24045, 27916, 28854, 29910, 32060, 34895, 35892, 41220, 41874, 44865, 48090, 57708, 59820, 62811, 69790, 72135, 83748, 89730, 96180, 104685, 125622, 139580, 144270, 179460, 209370, 228313, 251244, 288540, 314055, 418740, 456626, 628110, 684939, 913252, 1141565, 1256220, 1369878, 1598191, 2054817, 2283130, 2739756, 3196382, 3424695, 4109634, 4566260, 4794573, 6392764, 6849390, 7990955, 8219268, 9589146, 10274085, 13698780, 14383719, 15981910, 19178292, 20548170, 23972865, 28767438, 31963820, 41096340, 47945730, 57534876, 71918595, 95891460, 143837190, 287674380]

約数ペア:

[(1, 287674380), (2, 143837190), (3, 95891460), (4, 71918595), (5, 57534876), (6, 47945730), (7, 41096340), (9, 31963820), (10, 28767438), (12, 23972865), (14, 20548170), (15, 19178292), (18, 15981910), (20, 14383719), (21, 13698780), (28, 10274085), (30, 9589146), (35, 8219268), (36, 7990955), (42, 6849390), (45, 6392764), (60, 4794573), (63, 4566260), (70, 4109634), (84, 3424695), (90, 3196382), (105, 2739756), (126, 2283130), (140, 2054817), (180, 1598191), (210, 1369878), (229, 1256220), (252, 1141565), (315, 913252), (420, 684939), (458, 628110), (630, 456626), (687, 418740), (916, 314055), (997, 288540), (1145, 251244), (1260, 228313), (1374, 209370), (1603, 179460), (1994, 144270), (2061, 139580), (2290, 125622), (2748, 104685), (2991, 96180), (3206, 89730), (3435, 83748), (3988, 72135), (4122, 69790), (4580, 62811), (4809, 59820), (4985, 57708), (5982, 48090), (6412, 44865), (6870, 41874), (6979, 41220), (8015, 35892), (8244, 34895), (8973, 32060), (9618, 29910), (9970, 28854), (10305, 27916), (11964, 24045), (13740, 20937), (13958, 20610), (14427, 19940), (14955, 19236), (16030, 17946)]