79199820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 197556660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 263, 315, 420, 478, 526, 630, 717, 789, 956, 1052, 1195, 1260, 1315, 1434, 1578, 1673, 1841, 2151, 2367, 2390, 2630, 2868, 3156, 3346, 3585, 3682, 3945, 4302, 4734, 4780, 5019, 5260, 5523, 6692, 7170, 7364, 7890, 8365, 8604, 9205, 9468, 10038, 10755, 11046, 11835, 14340, 15057, 15780, 16569, 16730, 18410, 20076, 21510, 22092, 23670, 25095, 27615, 30114, 33138, 33460, 36820, 43020, 47340, 50190, 55230, 60228, 62857, 66276, 75285, 82845, 100380, 110460, 125714, 150570, 165690, 188571, 251428, 301140, 314285, 331380, 377142, 439999, 565713, 628570, 754284, 879998, 942855, 1131426, 1257140, 1319997, 1759996, 1885710, 2199995, 2262852, 2639994, 2828565, 3771420, 3959991, 4399990, 5279988, 5657130, 6599985, 7919982, 8799980, 11314260, 13199970, 15839964, 19799955, 26399940, 39599910, 79199820]

約数ペア:

[(1, 79199820), (2, 39599910), (3, 26399940), (4, 19799955), (5, 15839964), (6, 13199970), (7, 11314260), (9, 8799980), (10, 7919982), (12, 6599985), (14, 5657130), (15, 5279988), (18, 4399990), (20, 3959991), (21, 3771420), (28, 2828565), (30, 2639994), (35, 2262852), (36, 2199995), (42, 1885710), (45, 1759996), (60, 1319997), (63, 1257140), (70, 1131426), (84, 942855), (90, 879998), (105, 754284), (126, 628570), (140, 565713), (180, 439999), (210, 377142), (239, 331380), (252, 314285), (263, 301140), (315, 251428), (420, 188571), (478, 165690), (526, 150570), (630, 125714), (717, 110460), (789, 100380), (956, 82845), (1052, 75285), (1195, 66276), (1260, 62857), (1315, 60228), (1434, 55230), (1578, 50190), (1673, 47340), (1841, 43020), (2151, 36820), (2367, 33460), (2390, 33138), (2630, 30114), (2868, 27615), (3156, 25095), (3346, 23670), (3585, 22092), (3682, 21510), (3945, 20076), (4302, 18410), (4734, 16730), (4780, 16569), (5019, 15780), (5260, 15057), (5523, 14340), (6692, 11835), (7170, 11046), (7364, 10755), (7890, 10038), (8365, 9468), (8604, 9205)]