77651560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 210988800

約数和(自身を除く): 133337240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 73, 116, 131, 140, 145, 146, 203, 232, 262, 280, 290, 292, 365, 406, 511, 524, 580, 584, 655, 730, 812, 917, 1015, 1022, 1048, 1160, 1310, 1460, 1624, 1834, 2030, 2044, 2117, 2555, 2620, 2920, 3668, 3799, 4060, 4088, 4234, 4585, 5110, 5240, 7336, 7598, 8120, 8468, 9170, 9563, 10220, 10585, 14819, 15196, 16936, 18340, 18995, 19126, 20440, 21170, 26593, 29638, 30392, 36680, 37990, 38252, 42340, 47815, 53186, 59276, 66941, 74095, 75980, 76504, 84680, 95630, 106372, 118552, 132965, 133882, 148190, 151960, 191260, 212744, 265930, 267764, 277327, 296380, 334705, 382520, 531860, 535528, 554654, 592760, 669410, 1063720, 1109308, 1338820, 1386635, 1941289, 2218616, 2677640, 2773270, 3882578, 5546540, 7765156, 9706445, 11093080, 15530312, 19412890, 38825780, 77651560]

約数ペア:

[(1, 77651560), (2, 38825780), (4, 19412890), (5, 15530312), (7, 11093080), (8, 9706445), (10, 7765156), (14, 5546540), (20, 3882578), (28, 2773270), (29, 2677640), (35, 2218616), (40, 1941289), (56, 1386635), (58, 1338820), (70, 1109308), (73, 1063720), (116, 669410), (131, 592760), (140, 554654), (145, 535528), (146, 531860), (203, 382520), (232, 334705), (262, 296380), (280, 277327), (290, 267764), (292, 265930), (365, 212744), (406, 191260), (511, 151960), (524, 148190), (580, 133882), (584, 132965), (655, 118552), (730, 106372), (812, 95630), (917, 84680), (1015, 76504), (1022, 75980), (1048, 74095), (1160, 66941), (1310, 59276), (1460, 53186), (1624, 47815), (1834, 42340), (2030, 38252), (2044, 37990), (2117, 36680), (2555, 30392), (2620, 29638), (2920, 26593), (3668, 21170), (3799, 20440), (4060, 19126), (4088, 18995), (4234, 18340), (4585, 16936), (5110, 15196), (5240, 14819), (7336, 10585), (7598, 10220), (8120, 9563), (8468, 9170)]