155834520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 487434240

約数和(自身を除く): 331599720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 163, 186, 248, 257, 310, 326, 372, 465, 489, 514, 620, 652, 744, 771, 815, 930, 978, 1028, 1240, 1285, 1304, 1542, 1630, 1860, 1956, 2056, 2445, 2570, 3084, 3260, 3720, 3855, 3912, 4890, 5053, 5140, 6168, 6520, 7710, 7967, 9780, 10106, 10280, 15159, 15420, 15934, 19560, 20212, 23901, 25265, 30318, 30840, 31868, 39835, 40424, 41891, 47802, 50530, 60636, 63736, 75795, 79670, 83782, 95604, 101060, 119505, 121272, 125673, 151590, 159340, 167564, 191208, 202120, 209455, 239010, 251346, 303180, 318680, 335128, 418910, 478020, 502692, 606360, 628365, 837820, 956040, 1005384, 1256730, 1298621, 1675640, 2513460, 2597242, 3895863, 5026920, 5194484, 6493105, 7791726, 10388968, 12986210, 15583452, 19479315, 25972420, 31166904, 38958630, 51944840, 77917260, 155834520]

約数ペア:

[(1, 155834520), (2, 77917260), (3, 51944840), (4, 38958630), (5, 31166904), (6, 25972420), (8, 19479315), (10, 15583452), (12, 12986210), (15, 10388968), (20, 7791726), (24, 6493105), (30, 5194484), (31, 5026920), (40, 3895863), (60, 2597242), (62, 2513460), (93, 1675640), (120, 1298621), (124, 1256730), (155, 1005384), (163, 956040), (186, 837820), (248, 628365), (257, 606360), (310, 502692), (326, 478020), (372, 418910), (465, 335128), (489, 318680), (514, 303180), (620, 251346), (652, 239010), (744, 209455), (771, 202120), (815, 191208), (930, 167564), (978, 159340), (1028, 151590), (1240, 125673), (1285, 121272), (1304, 119505), (1542, 101060), (1630, 95604), (1860, 83782), (1956, 79670), (2056, 75795), (2445, 63736), (2570, 60636), (3084, 50530), (3260, 47802), (3720, 41891), (3855, 40424), (3912, 39835), (4890, 31868), (5053, 30840), (5140, 30318), (6168, 25265), (6520, 23901), (7710, 20212), (7967, 19560), (9780, 15934), (10106, 15420), (10280, 15159)]