215041840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12163}}^1$

素因数の和:12206

約数の個数: 80

約数和(自身を含む): 570151008

約数和(自身を除く): 355109168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 12163, 17680, 24326, 48652, 60815, 97304, 121630, 158119, 194608, 206771, 243260, 316238, 413542, 486520, 632476, 790595, 827084, 973040, 1033855, 1264952, 1581190, 1654168, 2067710, 2529904, 2688023, 3162380, 3308336, 4135420, 5376046, 6324760, 8270840, 10752092, 12649520, 13440115, 16541680, 21504184, 26880230, 43008368, 53760460, 107520920, 215041840]

約数ペア:

[(1, 215041840), (2, 107520920), (4, 53760460), (5, 43008368), (8, 26880230), (10, 21504184), (13, 16541680), (16, 13440115), (17, 12649520), (20, 10752092), (26, 8270840), (34, 6324760), (40, 5376046), (52, 4135420), (65, 3308336), (68, 3162380), (80, 2688023), (85, 2529904), (104, 2067710), (130, 1654168), (136, 1581190), (170, 1264952), (208, 1033855), (221, 973040), (260, 827084), (272, 790595), (340, 632476), (442, 486520), (520, 413542), (680, 316238), (884, 243260), (1040, 206771), (1105, 194608), (1360, 158119), (1768, 121630), (2210, 97304), (3536, 60815), (4420, 48652), (8840, 24326), (12163, 17680)]