78441040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 114403760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 479, 712, 890, 920, 958, 1424, 1780, 1840, 1916, 2047, 2395, 3560, 3832, 4094, 4790, 7120, 7664, 8188, 9580, 10235, 11017, 16376, 19160, 20470, 22034, 32752, 38320, 40940, 42631, 44068, 55085, 81880, 85262, 88136, 110170, 163760, 170524, 176272, 213155, 220340, 341048, 426310, 440680, 682096, 852620, 881360, 980513, 1705240, 1961026, 3410480, 3922052, 4902565, 7844104, 9805130, 15688208, 19610260, 39220520, 78441040]

約数ペア:

[(1, 78441040), (2, 39220520), (4, 19610260), (5, 15688208), (8, 9805130), (10, 7844104), (16, 4902565), (20, 3922052), (23, 3410480), (40, 1961026), (46, 1705240), (80, 980513), (89, 881360), (92, 852620), (115, 682096), (178, 440680), (184, 426310), (230, 341048), (356, 220340), (368, 213155), (445, 176272), (460, 170524), (479, 163760), (712, 110170), (890, 88136), (920, 85262), (958, 81880), (1424, 55085), (1780, 44068), (1840, 42631), (1916, 40940), (2047, 38320), (2395, 32752), (3560, 22034), (3832, 20470), (4094, 19160), (4790, 16376), (7120, 11017), (7664, 10235), (8188, 9580)]