130218640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 336962808

約数和(自身を除く): 206744168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 181, 184, 230, 272, 340, 362, 368, 391, 460, 529, 680, 724, 782, 905, 920, 1058, 1360, 1448, 1564, 1810, 1840, 1955, 2116, 2645, 2896, 3077, 3128, 3620, 3910, 4163, 4232, 5290, 6154, 6256, 7240, 7820, 8326, 8464, 8993, 10580, 12308, 14480, 15385, 15640, 16652, 17986, 20815, 21160, 24616, 30770, 31280, 33304, 35972, 41630, 42320, 44965, 49232, 61540, 66608, 70771, 71944, 83260, 89930, 95749, 123080, 141542, 143888, 166520, 179860, 191498, 246160, 283084, 333040, 353855, 359720, 382996, 478745, 566168, 707710, 719440, 765992, 957490, 1132336, 1415420, 1531984, 1627733, 1914980, 2830840, 3255466, 3829960, 5661680, 6510932, 7659920, 8138665, 13021864, 16277330, 26043728, 32554660, 65109320, 130218640]

約数ペア:

[(1, 130218640), (2, 65109320), (4, 32554660), (5, 26043728), (8, 16277330), (10, 13021864), (16, 8138665), (17, 7659920), (20, 6510932), (23, 5661680), (34, 3829960), (40, 3255466), (46, 2830840), (68, 1914980), (80, 1627733), (85, 1531984), (92, 1415420), (115, 1132336), (136, 957490), (170, 765992), (181, 719440), (184, 707710), (230, 566168), (272, 478745), (340, 382996), (362, 359720), (368, 353855), (391, 333040), (460, 283084), (529, 246160), (680, 191498), (724, 179860), (782, 166520), (905, 143888), (920, 141542), (1058, 123080), (1360, 95749), (1448, 89930), (1564, 83260), (1810, 71944), (1840, 70771), (1955, 66608), (2116, 61540), (2645, 49232), (2896, 44965), (3077, 42320), (3128, 41630), (3620, 35972), (3910, 33304), (4163, 31280), (4232, 30770), (5290, 24616), (6154, 21160), (6256, 20815), (7240, 17986), (7820, 16652), (8326, 15640), (8464, 15385), (8993, 14480), (10580, 12308)]