491410920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4136

約数の個数: 256

約数和(自身を含む): 1979873280

約数和(自身を除く): 1488462360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 4004, 4091, 4290, 4620, 5005, 5460, 5720, 6006, 8008, 8182, 8580, 9240, 10010, 10920, 12012, 12273, 15015, 16364, 17160, 20020, 20455, 24024, 24546, 28637, 30030, 32728, 40040, 40910, 45001, 49092, 53183, 57274, 60060, 61365, 81820, 85911, 90002, 98184, 106366, 114548, 120120, 122730, 135003, 143185, 159549, 163640, 171822, 180004, 212732, 225005, 229096, 245460, 265915, 270006, 286370, 315007, 319098, 343644, 360008, 372281, 425464, 429555, 450010, 490920, 531830, 540012, 572740, 585013, 630014, 638196, 675015, 687288, 744562, 797745, 859110, 900020, 945021, 1063660, 1080024, 1116843, 1145480, 1170026, 1260028, 1276392, 1350030, 1489124, 1575035, 1595490, 1718220, 1755039, 1800040, 1861405, 1890042, 2127320, 2233686, 2340052, 2520056, 2700060, 2925065, 2978248, 3150070, 3190980, 3436440, 3510078, 3722810, 3780084, 4095091, 4467372, 4680104, 4725105, 5400120, 5584215, 5850130, 6300140, 6381960, 7020156, 7445620, 7560168, 8190182, 8775195, 8934744, 9450210, 11168430, 11700260, 12285273, 12600280, 14040312, 14891240, 16380364, 17550390, 18900420, 20475455, 22336860, 23400520, 24570546, 32760728, 35100780, 37800840, 40950910, 44673720, 49141092, 61426365, 70201560, 81901820, 98282184, 122852730, 163803640, 245705460, 491410920]

約数ペア:

[(1, 491410920), (2, 245705460), (3, 163803640), (4, 122852730), (5, 98282184), (6, 81901820), (7, 70201560), (8, 61426365), (10, 49141092), (11, 44673720), (12, 40950910), (13, 37800840), (14, 35100780), (15, 32760728), (20, 24570546), (21, 23400520), (22, 22336860), (24, 20475455), (26, 18900420), (28, 17550390), (30, 16380364), (33, 14891240), (35, 14040312), (39, 12600280), (40, 12285273), (42, 11700260), (44, 11168430), (52, 9450210), (55, 8934744), (56, 8775195), (60, 8190182), (65, 7560168), (66, 7445620), (70, 7020156), (77, 6381960), (78, 6300140), (84, 5850130), (88, 5584215), (91, 5400120), (104, 4725105), (105, 4680104), (110, 4467372), (120, 4095091), (130, 3780084), (132, 3722810), (140, 3510078), (143, 3436440), (154, 3190980), (156, 3150070), (165, 2978248), (168, 2925065), (182, 2700060), (195, 2520056), (210, 2340052), (220, 2233686), (231, 2127320), (260, 1890042), (264, 1861405), (273, 1800040), (280, 1755039), (286, 1718220), (308, 1595490), (312, 1575035), (330, 1489124), (364, 1350030), (385, 1276392), (390, 1260028), (420, 1170026), (429, 1145480), (440, 1116843), (455, 1080024), (462, 1063660), (520, 945021), (546, 900020), (572, 859110), (616, 797745), (660, 744562), (715, 687288), (728, 675015), (770, 638196), (780, 630014), (840, 585013), (858, 572740), (910, 540012), (924, 531830), (1001, 490920), (1092, 450010), (1144, 429555), (1155, 425464), (1320, 372281), (1365, 360008), (1430, 343644), (1540, 319098), (1560, 315007), (1716, 286370), (1820, 270006), (1848, 265915), (2002, 245460), (2145, 229096), (2184, 225005), (2310, 212732), (2730, 180004), (2860, 171822), (3003, 163640), (3080, 159549), (3432, 143185), (3640, 135003), (4004, 122730), (4091, 120120), (4290, 114548), (4620, 106366), (5005, 98184), (5460, 90002), (5720, 85911), (6006, 81820), (8008, 61365), (8182, 60060), (8580, 57274), (9240, 53183), (10010, 49092), (10920, 45001), (12012, 40910), (12273, 40040), (15015, 32728), (16364, 30030), (17160, 28637), (20020, 24546), (20455, 24024)]