78989280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 257599440

約数和(自身を除く): 178610160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 89, 96, 120, 129, 160, 172, 178, 215, 240, 258, 267, 344, 356, 430, 445, 480, 516, 534, 645, 688, 712, 860, 890, 1032, 1068, 1290, 1335, 1376, 1424, 1720, 1780, 1849, 2064, 2136, 2580, 2670, 2848, 3440, 3560, 3698, 3827, 4128, 4272, 5160, 5340, 5547, 6880, 7120, 7396, 7654, 8544, 9245, 10320, 10680, 11094, 11481, 14240, 14792, 15308, 18490, 19135, 20640, 21360, 22188, 22962, 27735, 29584, 30616, 36980, 38270, 42720, 44376, 45924, 55470, 57405, 59168, 61232, 73960, 76540, 88752, 91848, 110940, 114810, 122464, 147920, 153080, 164561, 177504, 183696, 221880, 229620, 295840, 306160, 329122, 367392, 443760, 459240, 493683, 612320, 658244, 822805, 887520, 918480, 987366, 1316488, 1645610, 1836960, 1974732, 2468415, 2632976, 3291220, 3949464, 4936830, 5265952, 6582440, 7898928, 9873660, 13164880, 15797856, 19747320, 26329760, 39494640, 78989280]

約数ペア:

[(1, 78989280), (2, 39494640), (3, 26329760), (4, 19747320), (5, 15797856), (6, 13164880), (8, 9873660), (10, 7898928), (12, 6582440), (15, 5265952), (16, 4936830), (20, 3949464), (24, 3291220), (30, 2632976), (32, 2468415), (40, 1974732), (43, 1836960), (48, 1645610), (60, 1316488), (80, 987366), (86, 918480), (89, 887520), (96, 822805), (120, 658244), (129, 612320), (160, 493683), (172, 459240), (178, 443760), (215, 367392), (240, 329122), (258, 306160), (267, 295840), (344, 229620), (356, 221880), (430, 183696), (445, 177504), (480, 164561), (516, 153080), (534, 147920), (645, 122464), (688, 114810), (712, 110940), (860, 91848), (890, 88752), (1032, 76540), (1068, 73960), (1290, 61232), (1335, 59168), (1376, 57405), (1424, 55470), (1720, 45924), (1780, 44376), (1849, 42720), (2064, 38270), (2136, 36980), (2580, 30616), (2670, 29584), (2848, 27735), (3440, 22962), (3560, 22188), (3698, 21360), (3827, 20640), (4128, 19135), (4272, 18490), (5160, 15308), (5340, 14792), (5547, 14240), (6880, 11481), (7120, 11094), (7396, 10680), (7654, 10320), (8544, 9245)]