820040520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 192

約数和(自身を含む): 2742586560

約数和(自身を除く): 1922546040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 547, 620, 744, 780, 806, 930, 961, 1094, 1209, 1240, 1560, 1612, 1641, 1860, 1922, 2015, 2188, 2418, 2735, 2883, 3224, 3282, 3720, 3844, 4030, 4376, 4805, 4836, 5470, 5766, 6045, 6564, 7111, 7688, 8060, 8205, 9610, 9672, 10940, 11532, 12090, 12493, 13128, 14222, 14415, 16120, 16410, 16957, 19220, 21333, 21880, 23064, 24180, 24986, 28444, 28830, 32820, 33914, 35555, 37479, 38440, 42666, 48360, 49972, 50871, 56888, 57660, 62465, 65640, 67828, 71110, 74958, 84785, 85332, 99944, 101742, 106665, 115320, 124930, 135656, 142220, 149916, 169570, 170664, 187395, 203484, 213330, 220441, 249860, 254355, 284440, 299832, 339140, 374790, 406968, 426660, 440882, 499720, 508710, 525667, 661323, 678280, 749580, 853320, 881764, 1017420, 1051334, 1102205, 1322646, 1499160, 1577001, 1763528, 2034840, 2102668, 2204410, 2628335, 2645292, 3154002, 3306615, 4205336, 4408820, 5256670, 5290584, 6308004, 6613230, 6833671, 7885005, 8817640, 10513340, 12616008, 13226460, 13667342, 15770010, 20501013, 21026680, 26452920, 27334684, 31540020, 34168355, 41002026, 54669368, 63080040, 68336710, 82004052, 102505065, 136673420, 164008104, 205010130, 273346840, 410020260, 820040520]

約数ペア:

[(1, 820040520), (2, 410020260), (3, 273346840), (4, 205010130), (5, 164008104), (6, 136673420), (8, 102505065), (10, 82004052), (12, 68336710), (13, 63080040), (15, 54669368), (20, 41002026), (24, 34168355), (26, 31540020), (30, 27334684), (31, 26452920), (39, 21026680), (40, 20501013), (52, 15770010), (60, 13667342), (62, 13226460), (65, 12616008), (78, 10513340), (93, 8817640), (104, 7885005), (120, 6833671), (124, 6613230), (130, 6308004), (155, 5290584), (156, 5256670), (186, 4408820), (195, 4205336), (248, 3306615), (260, 3154002), (310, 2645292), (312, 2628335), (372, 2204410), (390, 2102668), (403, 2034840), (465, 1763528), (520, 1577001), (547, 1499160), (620, 1322646), (744, 1102205), (780, 1051334), (806, 1017420), (930, 881764), (961, 853320), (1094, 749580), (1209, 678280), (1240, 661323), (1560, 525667), (1612, 508710), (1641, 499720), (1860, 440882), (1922, 426660), (2015, 406968), (2188, 374790), (2418, 339140), (2735, 299832), (2883, 284440), (3224, 254355), (3282, 249860), (3720, 220441), (3844, 213330), (4030, 203484), (4376, 187395), (4805, 170664), (4836, 169570), (5470, 149916), (5766, 142220), (6045, 135656), (6564, 124930), (7111, 115320), (7688, 106665), (8060, 101742), (8205, 99944), (9610, 85332), (9672, 84785), (10940, 74958), (11532, 71110), (12090, 67828), (12493, 65640), (13128, 62465), (14222, 57660), (14415, 56888), (16120, 50871), (16410, 49972), (16957, 48360), (19220, 42666), (21333, 38440), (21880, 37479), (23064, 35555), (24180, 33914), (24986, 32820), (28444, 28830)]