155832040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1443

約数の個数: 128

約数和(自身を含む): 445777920

約数和(自身を除く): 289945880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1381, 1612, 1736, 1820, 2015, 2170, 2762, 2821, 3224, 3640, 4030, 4340, 5524, 5642, 6905, 8060, 8680, 9667, 11048, 11284, 13810, 14105, 16120, 17953, 19334, 22568, 27620, 28210, 35906, 38668, 42811, 48335, 55240, 56420, 71812, 77336, 85622, 89765, 96670, 112840, 125671, 143624, 171244, 179530, 193340, 214055, 251342, 299677, 342488, 359060, 386680, 428110, 502684, 556543, 599354, 628355, 718120, 856220, 1005368, 1113086, 1198708, 1256710, 1498385, 1712440, 2226172, 2397416, 2513420, 2782715, 2996770, 3895801, 4452344, 5026840, 5565430, 5993540, 7791602, 11130860, 11987080, 15583204, 19479005, 22261720, 31166408, 38958010, 77916020, 155832040]

約数ペア:

[(1, 155832040), (2, 77916020), (4, 38958010), (5, 31166408), (7, 22261720), (8, 19479005), (10, 15583204), (13, 11987080), (14, 11130860), (20, 7791602), (26, 5993540), (28, 5565430), (31, 5026840), (35, 4452344), (40, 3895801), (52, 2996770), (56, 2782715), (62, 2513420), (65, 2397416), (70, 2226172), (91, 1712440), (104, 1498385), (124, 1256710), (130, 1198708), (140, 1113086), (155, 1005368), (182, 856220), (217, 718120), (248, 628355), (260, 599354), (280, 556543), (310, 502684), (364, 428110), (403, 386680), (434, 359060), (455, 342488), (520, 299677), (620, 251342), (728, 214055), (806, 193340), (868, 179530), (910, 171244), (1085, 143624), (1240, 125671), (1381, 112840), (1612, 96670), (1736, 89765), (1820, 85622), (2015, 77336), (2170, 71812), (2762, 56420), (2821, 55240), (3224, 48335), (3640, 42811), (4030, 38668), (4340, 35906), (5524, 28210), (5642, 27620), (6905, 22568), (8060, 19334), (8680, 17953), (9667, 16120), (11048, 14105), (11284, 13810)]