231015720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 256

約数和(自身を含む): 818657280

約数和(自身を除く): 587641560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 104, 120, 124, 130, 136, 155, 156, 170, 186, 195, 204, 221, 248, 255, 260, 281, 310, 312, 340, 372, 390, 403, 408, 442, 465, 510, 520, 527, 562, 620, 663, 680, 744, 780, 806, 843, 884, 930, 1020, 1054, 1105, 1124, 1209, 1240, 1326, 1405, 1560, 1581, 1612, 1686, 1768, 1860, 2015, 2040, 2108, 2210, 2248, 2418, 2635, 2652, 2810, 3162, 3224, 3315, 3372, 3653, 3720, 4030, 4215, 4216, 4420, 4777, 4836, 5270, 5304, 5620, 6045, 6324, 6630, 6744, 6851, 7306, 7905, 8060, 8430, 8711, 8840, 9554, 9672, 10540, 10959, 11240, 12090, 12648, 13260, 13702, 14331, 14612, 15810, 16120, 16860, 17422, 18265, 19108, 20553, 21080, 21918, 23885, 24180, 26133, 26520, 27404, 28662, 29224, 31620, 33720, 34255, 34844, 36530, 38216, 41106, 43555, 43836, 47770, 48360, 52266, 54795, 54808, 57324, 62101, 63240, 68510, 69688, 71655, 73060, 82212, 87110, 87672, 95540, 102765, 104532, 109590, 113243, 114648, 124202, 130665, 137020, 143310, 146120, 148087, 164424, 174220, 186303, 191080, 205530, 209064, 219180, 226486, 248404, 261330, 274040, 286620, 296174, 310505, 339729, 348440, 372606, 411060, 438360, 444261, 452972, 496808, 522660, 566215, 573240, 592348, 621010, 679458, 740435, 745212, 822120, 888522, 905944, 931515, 1045320, 1132430, 1184696, 1242020, 1358916, 1480870, 1490424, 1698645, 1777044, 1863030, 1925131, 2221305, 2264860, 2484040, 2717832, 2961740, 3397290, 3554088, 3726060, 3850262, 4442610, 4529720, 5775393, 5923480, 6794580, 7452120, 7700524, 8885220, 9625655, 11550786, 13589160, 15401048, 17770440, 19251310, 23101572, 28876965, 38502620, 46203144, 57753930, 77005240, 115507860, 231015720]

約数ペア:

[(1, 231015720), (2, 115507860), (3, 77005240), (4, 57753930), (5, 46203144), (6, 38502620), (8, 28876965), (10, 23101572), (12, 19251310), (13, 17770440), (15, 15401048), (17, 13589160), (20, 11550786), (24, 9625655), (26, 8885220), (30, 7700524), (31, 7452120), (34, 6794580), (39, 5923480), (40, 5775393), (51, 4529720), (52, 4442610), (60, 3850262), (62, 3726060), (65, 3554088), (68, 3397290), (78, 2961740), (85, 2717832), (93, 2484040), (102, 2264860), (104, 2221305), (120, 1925131), (124, 1863030), (130, 1777044), (136, 1698645), (155, 1490424), (156, 1480870), (170, 1358916), (186, 1242020), (195, 1184696), (204, 1132430), (221, 1045320), (248, 931515), (255, 905944), (260, 888522), (281, 822120), (310, 745212), (312, 740435), (340, 679458), (372, 621010), (390, 592348), (403, 573240), (408, 566215), (442, 522660), (465, 496808), (510, 452972), (520, 444261), (527, 438360), (562, 411060), (620, 372606), (663, 348440), (680, 339729), (744, 310505), (780, 296174), (806, 286620), (843, 274040), (884, 261330), (930, 248404), (1020, 226486), (1054, 219180), (1105, 209064), (1124, 205530), (1209, 191080), (1240, 186303), (1326, 174220), (1405, 164424), (1560, 148087), (1581, 146120), (1612, 143310), (1686, 137020), (1768, 130665), (1860, 124202), (2015, 114648), (2040, 113243), (2108, 109590), (2210, 104532), (2248, 102765), (2418, 95540), (2635, 87672), (2652, 87110), (2810, 82212), (3162, 73060), (3224, 71655), (3315, 69688), (3372, 68510), (3653, 63240), (3720, 62101), (4030, 57324), (4215, 54808), (4216, 54795), (4420, 52266), (4777, 48360), (4836, 47770), (5270, 43836), (5304, 43555), (5620, 41106), (6045, 38216), (6324, 36530), (6630, 34844), (6744, 34255), (6851, 33720), (7306, 31620), (7905, 29224), (8060, 28662), (8430, 27404), (8711, 26520), (8840, 26133), (9554, 24180), (9672, 23885), (10540, 21918), (10959, 21080), (11240, 20553), (12090, 19108), (12648, 18265), (13260, 17422), (13702, 16860), (14331, 16120), (14612, 15810)]