131423280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 425115648

約数和(自身を除く): 293692368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 61, 80, 94, 120, 122, 141, 183, 188, 191, 235, 240, 244, 282, 305, 366, 376, 382, 470, 488, 564, 573, 610, 705, 732, 752, 764, 915, 940, 955, 976, 1128, 1146, 1220, 1410, 1464, 1528, 1830, 1880, 1910, 2256, 2292, 2440, 2820, 2865, 2867, 2928, 3056, 3660, 3760, 3820, 4584, 4880, 5640, 5730, 5734, 7320, 7640, 8601, 8977, 9168, 11280, 11460, 11468, 11651, 14335, 14640, 15280, 17202, 17954, 22920, 22936, 23302, 26931, 28670, 34404, 34953, 35908, 43005, 44885, 45840, 45872, 46604, 53862, 57340, 58255, 68808, 69906, 71816, 86010, 89770, 93208, 107724, 114680, 116510, 134655, 137616, 139812, 143632, 172020, 174765, 179540, 186416, 215448, 229360, 233020, 269310, 279624, 344040, 349530, 359080, 430896, 466040, 538620, 547597, 559248, 688080, 699060, 718160, 932080, 1077240, 1095194, 1398120, 1642791, 2154480, 2190388, 2737985, 2796240, 3285582, 4380776, 5475970, 6571164, 8213955, 8761552, 10951940, 13142328, 16427910, 21903880, 26284656, 32855820, 43807760, 65711640, 131423280]

約数ペア:

[(1, 131423280), (2, 65711640), (3, 43807760), (4, 32855820), (5, 26284656), (6, 21903880), (8, 16427910), (10, 13142328), (12, 10951940), (15, 8761552), (16, 8213955), (20, 6571164), (24, 5475970), (30, 4380776), (40, 3285582), (47, 2796240), (48, 2737985), (60, 2190388), (61, 2154480), (80, 1642791), (94, 1398120), (120, 1095194), (122, 1077240), (141, 932080), (183, 718160), (188, 699060), (191, 688080), (235, 559248), (240, 547597), (244, 538620), (282, 466040), (305, 430896), (366, 359080), (376, 349530), (382, 344040), (470, 279624), (488, 269310), (564, 233020), (573, 229360), (610, 215448), (705, 186416), (732, 179540), (752, 174765), (764, 172020), (915, 143632), (940, 139812), (955, 137616), (976, 134655), (1128, 116510), (1146, 114680), (1220, 107724), (1410, 93208), (1464, 89770), (1528, 86010), (1830, 71816), (1880, 69906), (1910, 68808), (2256, 58255), (2292, 57340), (2440, 53862), (2820, 46604), (2865, 45872), (2867, 45840), (2928, 44885), (3056, 43005), (3660, 35908), (3760, 34953), (3820, 34404), (4584, 28670), (4880, 26931), (5640, 23302), (5730, 22936), (5734, 22920), (7320, 17954), (7640, 17202), (8601, 15280), (8977, 14640), (9168, 14335), (11280, 11651), (11460, 11468)]