345403240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3061}}^1$

素因数の和:3123

約数の個数: 128

約数和(自身を含む): 987678720

約数和(自身を除く): 642275480

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, 1612, 1736, 1820, 2015, 2170, 2821, 3061, 3224, 3640, 4030, 4340, 5642, 6122, 8060, 8680, 11284, 12244, 14105, 15305, 16120, 21427, 22568, 24488, 28210, 30610, 39793, 42854, 56420, 61220, 79586, 85708, 94891, 107135, 112840, 122440, 159172, 171416, 189782, 198965, 214270, 278551, 318344, 379564, 397930, 428540, 474455, 557102, 664237, 759128, 795860, 857080, 948910, 1114204, 1233583, 1328474, 1392755, 1591720, 1897820, 2228408, 2467166, 2656948, 2785510, 3321185, 3795640, 4934332, 5313896, 5571020, 6167915, 6642370, 8635081, 9868664, 11142040, 12335830, 13284740, 17270162, 24671660, 26569480, 34540324, 43175405, 49343320, 69080648, 86350810, 172701620, 345403240]

約数ペア:

[(1, 345403240), (2, 172701620), (4, 86350810), (5, 69080648), (7, 49343320), (8, 43175405), (10, 34540324), (13, 26569480), (14, 24671660), (20, 17270162), (26, 13284740), (28, 12335830), (31, 11142040), (35, 9868664), (40, 8635081), (52, 6642370), (56, 6167915), (62, 5571020), (65, 5313896), (70, 4934332), (91, 3795640), (104, 3321185), (124, 2785510), (130, 2656948), (140, 2467166), (155, 2228408), (182, 1897820), (217, 1591720), (248, 1392755), (260, 1328474), (280, 1233583), (310, 1114204), (364, 948910), (403, 857080), (434, 795860), (455, 759128), (520, 664237), (620, 557102), (728, 474455), (806, 428540), (868, 397930), (910, 379564), (1085, 318344), (1240, 278551), (1612, 214270), (1736, 198965), (1820, 189782), (2015, 171416), (2170, 159172), (2821, 122440), (3061, 112840), (3224, 107135), (3640, 94891), (4030, 85708), (4340, 79586), (5642, 61220), (6122, 56420), (8060, 42854), (8680, 39793), (11284, 30610), (12244, 28210), (14105, 24488), (15305, 22568), (16120, 21427)]