915493080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 2799360000

約数和(自身を除く): 1883866920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 269, 316, 359, 395, 474, 538, 632, 718, 790, 807, 948, 1076, 1077, 1185, 1345, 1436, 1580, 1614, 1795, 1896, 2152, 2154, 2370, 2690, 2872, 3160, 3228, 3590, 4035, 4308, 4740, 5380, 5385, 6456, 7180, 8070, 8616, 9480, 10760, 10770, 14360, 16140, 21251, 21540, 28361, 32280, 42502, 43080, 56722, 63753, 85004, 85083, 96571, 106255, 113444, 127506, 141805, 170008, 170166, 193142, 212510, 226888, 255012, 283610, 289713, 318765, 340332, 386284, 425020, 425415, 482855, 510024, 567220, 579426, 637530, 680664, 772568, 850040, 850830, 965710, 1134440, 1158852, 1275060, 1448565, 1701660, 1931420, 2317704, 2550120, 2897130, 3403320, 3862840, 5794260, 7629109, 11588520, 15258218, 22887327, 30516436, 38145545, 45774654, 61032872, 76291090, 91549308, 114436635, 152582180, 183098616, 228873270, 305164360, 457746540, 915493080]

約数ペア:

[(1, 915493080), (2, 457746540), (3, 305164360), (4, 228873270), (5, 183098616), (6, 152582180), (8, 114436635), (10, 91549308), (12, 76291090), (15, 61032872), (20, 45774654), (24, 38145545), (30, 30516436), (40, 22887327), (60, 15258218), (79, 11588520), (120, 7629109), (158, 5794260), (237, 3862840), (269, 3403320), (316, 2897130), (359, 2550120), (395, 2317704), (474, 1931420), (538, 1701660), (632, 1448565), (718, 1275060), (790, 1158852), (807, 1134440), (948, 965710), (1076, 850830), (1077, 850040), (1185, 772568), (1345, 680664), (1436, 637530), (1580, 579426), (1614, 567220), (1795, 510024), (1896, 482855), (2152, 425415), (2154, 425020), (2370, 386284), (2690, 340332), (2872, 318765), (3160, 289713), (3228, 283610), (3590, 255012), (4035, 226888), (4308, 212510), (4740, 193142), (5380, 170166), (5385, 170008), (6456, 141805), (7180, 127506), (8070, 113444), (8616, 106255), (9480, 96571), (10760, 85083), (10770, 85004), (14360, 63753), (16140, 56722), (21251, 43080), (21540, 42502), (28361, 32280)]