131445840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 160

約数和(自身を含む): 427401216

約数和(自身を除く): 295955376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 47, 48, 60, 80, 86, 94, 120, 129, 141, 172, 188, 215, 235, 240, 258, 271, 282, 344, 376, 430, 470, 516, 542, 564, 645, 688, 705, 752, 813, 860, 940, 1032, 1084, 1128, 1290, 1355, 1410, 1626, 1720, 1880, 2021, 2064, 2168, 2256, 2580, 2710, 2820, 3252, 3440, 3760, 4042, 4065, 4336, 5160, 5420, 5640, 6063, 6504, 8084, 8130, 10105, 10320, 10840, 11280, 11653, 12126, 12737, 13008, 16168, 16260, 20210, 21680, 23306, 24252, 25474, 30315, 32336, 32520, 34959, 38211, 40420, 46612, 48504, 50948, 58265, 60630, 63685, 65040, 69918, 76422, 80840, 93224, 97008, 101896, 116530, 121260, 127370, 139836, 152844, 161680, 174795, 186448, 191055, 203792, 233060, 242520, 254740, 279672, 305688, 349590, 382110, 466120, 485040, 509480, 547691, 559344, 611376, 699180, 764220, 932240, 1018960, 1095382, 1398360, 1528440, 1643073, 2190764, 2738455, 2796720, 3056880, 3286146, 4381528, 5476910, 6572292, 8215365, 8763056, 10953820, 13144584, 16430730, 21907640, 26289168, 32861460, 43815280, 65722920, 131445840]

約数ペア:

[(1, 131445840), (2, 65722920), (3, 43815280), (4, 32861460), (5, 26289168), (6, 21907640), (8, 16430730), (10, 13144584), (12, 10953820), (15, 8763056), (16, 8215365), (20, 6572292), (24, 5476910), (30, 4381528), (40, 3286146), (43, 3056880), (47, 2796720), (48, 2738455), (60, 2190764), (80, 1643073), (86, 1528440), (94, 1398360), (120, 1095382), (129, 1018960), (141, 932240), (172, 764220), (188, 699180), (215, 611376), (235, 559344), (240, 547691), (258, 509480), (271, 485040), (282, 466120), (344, 382110), (376, 349590), (430, 305688), (470, 279672), (516, 254740), (542, 242520), (564, 233060), (645, 203792), (688, 191055), (705, 186448), (752, 174795), (813, 161680), (860, 152844), (940, 139836), (1032, 127370), (1084, 121260), (1128, 116530), (1290, 101896), (1355, 97008), (1410, 93224), (1626, 80840), (1720, 76422), (1880, 69918), (2021, 65040), (2064, 63685), (2168, 60630), (2256, 58265), (2580, 50948), (2710, 48504), (2820, 46612), (3252, 40420), (3440, 38211), (3760, 34959), (4042, 32520), (4065, 32336), (4336, 30315), (5160, 25474), (5420, 24252), (5640, 23306), (6063, 21680), (6504, 20210), (8084, 16260), (8130, 16168), (10105, 13008), (10320, 12737), (10840, 12126), (11280, 11653)]