321036625720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{21107}}^1$

素因数の和:21437

約数の個数: 128

約数和(自身を含む): 762319641600

約数和(自身を除く): 441283015880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 239, 296, 344, 370, 430, 478, 740, 860, 956, 1195, 1480, 1591, 1720, 1912, 2390, 3182, 4780, 6364, 7955, 8843, 9560, 10277, 12728, 15910, 17686, 20554, 21107, 31820, 35372, 41108, 42214, 44215, 51385, 63640, 70744, 82216, 84428, 88430, 102770, 105535, 168856, 176860, 205540, 211070, 353720, 380249, 411080, 422140, 760498, 780959, 844280, 907601, 1520996, 1561918, 1815202, 1901245, 3041992, 3123836, 3630404, 3802490, 3904795, 4538005, 5044573, 6247672, 7260808, 7604980, 7809590, 9076010, 10089146, 15209960, 15619180, 18152020, 20178292, 25222865, 31238360, 33581237, 36304040, 40356584, 50445730, 67162474, 100891460, 134324948, 167906185, 186649201, 201782920, 216916639, 268649896, 335812370, 373298402, 433833278, 671624740, 746596804, 867666556, 933246005, 1084583195, 1343249480, 1493193608, 1735333112, 1866492010, 2169166390, 3732984020, 4338332780, 7465968040, 8025915643, 8676665560, 16051831286, 32103662572, 40129578215, 64207325144, 80259156430, 160518312860, 321036625720]

約数ペア:

[(1, 321036625720), (2, 160518312860), (4, 80259156430), (5, 64207325144), (8, 40129578215), (10, 32103662572), (20, 16051831286), (37, 8676665560), (40, 8025915643), (43, 7465968040), (74, 4338332780), (86, 3732984020), (148, 2169166390), (172, 1866492010), (185, 1735333112), (215, 1493193608), (239, 1343249480), (296, 1084583195), (344, 933246005), (370, 867666556), (430, 746596804), (478, 671624740), (740, 433833278), (860, 373298402), (956, 335812370), (1195, 268649896), (1480, 216916639), (1591, 201782920), (1720, 186649201), (1912, 167906185), (2390, 134324948), (3182, 100891460), (4780, 67162474), (6364, 50445730), (7955, 40356584), (8843, 36304040), (9560, 33581237), (10277, 31238360), (12728, 25222865), (15910, 20178292), (17686, 18152020), (20554, 15619180), (21107, 15209960), (31820, 10089146), (35372, 9076010), (41108, 7809590), (42214, 7604980), (44215, 7260808), (51385, 6247672), (63640, 5044573), (70744, 4538005), (82216, 3904795), (84428, 3802490), (88430, 3630404), (102770, 3123836), (105535, 3041992), (168856, 1901245), (176860, 1815202), (205540, 1561918), (211070, 1520996), (353720, 907601), (380249, 844280), (411080, 780959), (422140, 760498)]