128743920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1279

約数の個数: 120

約数和(自身を含む): 435414096

約数和(自身を除く): 306670176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1097, 1304, 1467, 1630, 1956, 2194, 2445, 2608, 2934, 3260, 3291, 3912, 4388, 4890, 5485, 5868, 6520, 6582, 7335, 7824, 8776, 9780, 9873, 10970, 11736, 13040, 13164, 14670, 16455, 17552, 19560, 19746, 21940, 23472, 26328, 29340, 32910, 39120, 39492, 43880, 49365, 52656, 58680, 65820, 78984, 87760, 98730, 117360, 131640, 157968, 178811, 197460, 263280, 357622, 394920, 536433, 715244, 789840, 894055, 1072866, 1430488, 1609299, 1788110, 2145732, 2682165, 2860976, 3218598, 3576220, 4291464, 5364330, 6437196, 7152440, 8046495, 8582928, 10728660, 12874392, 14304880, 16092990, 21457320, 25748784, 32185980, 42914640, 64371960, 128743920]

約数ペア:

[(1, 128743920), (2, 64371960), (3, 42914640), (4, 32185980), (5, 25748784), (6, 21457320), (8, 16092990), (9, 14304880), (10, 12874392), (12, 10728660), (15, 8582928), (16, 8046495), (18, 7152440), (20, 6437196), (24, 5364330), (30, 4291464), (36, 3576220), (40, 3218598), (45, 2860976), (48, 2682165), (60, 2145732), (72, 1788110), (80, 1609299), (90, 1430488), (120, 1072866), (144, 894055), (163, 789840), (180, 715244), (240, 536433), (326, 394920), (360, 357622), (489, 263280), (652, 197460), (720, 178811), (815, 157968), (978, 131640), (1097, 117360), (1304, 98730), (1467, 87760), (1630, 78984), (1956, 65820), (2194, 58680), (2445, 52656), (2608, 49365), (2934, 43880), (3260, 39492), (3291, 39120), (3912, 32910), (4388, 29340), (4890, 26328), (5485, 23472), (5868, 21940), (6520, 19746), (6582, 19560), (7335, 17552), (7824, 16455), (8776, 14670), (9780, 13164), (9873, 13040), (10970, 11736)]