278581140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 192

約数和(自身を含む): 907038720

約数和(自身を除く): 628457580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 73, 74, 90, 108, 111, 135, 146, 148, 180, 185, 191, 219, 222, 270, 292, 333, 365, 370, 382, 438, 444, 540, 555, 573, 657, 666, 730, 740, 764, 876, 955, 999, 1095, 1110, 1146, 1314, 1332, 1460, 1665, 1719, 1910, 1971, 1998, 2190, 2220, 2292, 2628, 2701, 2865, 3285, 3330, 3438, 3820, 3942, 3996, 4380, 4995, 5157, 5402, 5730, 6570, 6660, 6876, 7067, 7884, 8103, 8595, 9855, 9990, 10314, 10804, 11460, 13140, 13505, 13943, 14134, 16206, 17190, 19710, 19980, 20628, 21201, 24309, 25785, 27010, 27886, 28268, 32412, 34380, 35335, 39420, 40515, 41829, 42402, 48618, 51570, 54020, 55772, 63603, 69715, 70670, 72927, 81030, 83658, 84804, 97236, 103140, 106005, 121545, 125487, 127206, 139430, 141340, 145854, 162060, 167316, 190809, 209145, 212010, 243090, 250974, 254412, 278860, 291708, 318015, 364635, 376461, 381618, 418290, 424020, 486180, 501948, 515891, 627435, 636030, 729270, 752922, 763236, 836580, 954045, 1031782, 1254870, 1272060, 1458540, 1505844, 1547673, 1882305, 1908090, 2063564, 2509740, 2579455, 3095346, 3764610, 3816180, 4643019, 5158910, 6190692, 7529220, 7738365, 9286038, 10317820, 13929057, 15476730, 18572076, 23215095, 27858114, 30953460, 46430190, 55716228, 69645285, 92860380, 139290570, 278581140]

約数ペア:

[(1, 278581140), (2, 139290570), (3, 92860380), (4, 69645285), (5, 55716228), (6, 46430190), (9, 30953460), (10, 27858114), (12, 23215095), (15, 18572076), (18, 15476730), (20, 13929057), (27, 10317820), (30, 9286038), (36, 7738365), (37, 7529220), (45, 6190692), (54, 5158910), (60, 4643019), (73, 3816180), (74, 3764610), (90, 3095346), (108, 2579455), (111, 2509740), (135, 2063564), (146, 1908090), (148, 1882305), (180, 1547673), (185, 1505844), (191, 1458540), (219, 1272060), (222, 1254870), (270, 1031782), (292, 954045), (333, 836580), (365, 763236), (370, 752922), (382, 729270), (438, 636030), (444, 627435), (540, 515891), (555, 501948), (573, 486180), (657, 424020), (666, 418290), (730, 381618), (740, 376461), (764, 364635), (876, 318015), (955, 291708), (999, 278860), (1095, 254412), (1110, 250974), (1146, 243090), (1314, 212010), (1332, 209145), (1460, 190809), (1665, 167316), (1719, 162060), (1910, 145854), (1971, 141340), (1998, 139430), (2190, 127206), (2220, 125487), (2292, 121545), (2628, 106005), (2701, 103140), (2865, 97236), (3285, 84804), (3330, 83658), (3438, 81030), (3820, 72927), (3942, 70670), (3996, 69715), (4380, 63603), (4995, 55772), (5157, 54020), (5402, 51570), (5730, 48618), (6570, 42402), (6660, 41829), (6876, 40515), (7067, 39420), (7884, 35335), (8103, 34380), (8595, 32412), (9855, 28268), (9990, 27886), (10314, 27010), (10804, 25785), (11460, 24309), (13140, 21201), (13505, 20628), (13943, 19980), (14134, 19710), (16206, 17190)]