40138020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 138967920

約数和(自身を除く): 98829900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1009, 1020, 1105, 1170, 1326, 1530, 1989, 2018, 2210, 2340, 2652, 3027, 3060, 3315, 3978, 4036, 4420, 5045, 6054, 6630, 7956, 9081, 9945, 10090, 12108, 13117, 13260, 15135, 17153, 18162, 19890, 20180, 26234, 30270, 34306, 36324, 39351, 39780, 45405, 51459, 52468, 60540, 65585, 68612, 78702, 85765, 90810, 102918, 118053, 131170, 154377, 157404, 171530, 181620, 196755, 205836, 222989, 236106, 257295, 262340, 308754, 343060, 393510, 445978, 472212, 514590, 590265, 617508, 668967, 771885, 787020, 891956, 1029180, 1114945, 1180530, 1337934, 1543770, 2006901, 2229890, 2361060, 2675868, 3087540, 3344835, 4013802, 4459780, 6689670, 8027604, 10034505, 13379340, 20069010, 40138020]

約数ペア:

[(1, 40138020), (2, 20069010), (3, 13379340), (4, 10034505), (5, 8027604), (6, 6689670), (9, 4459780), (10, 4013802), (12, 3344835), (13, 3087540), (15, 2675868), (17, 2361060), (18, 2229890), (20, 2006901), (26, 1543770), (30, 1337934), (34, 1180530), (36, 1114945), (39, 1029180), (45, 891956), (51, 787020), (52, 771885), (60, 668967), (65, 617508), (68, 590265), (78, 514590), (85, 472212), (90, 445978), (102, 393510), (117, 343060), (130, 308754), (153, 262340), (156, 257295), (170, 236106), (180, 222989), (195, 205836), (204, 196755), (221, 181620), (234, 171530), (255, 157404), (260, 154377), (306, 131170), (340, 118053), (390, 102918), (442, 90810), (468, 85765), (510, 78702), (585, 68612), (612, 65585), (663, 60540), (765, 52468), (780, 51459), (884, 45405), (1009, 39780), (1020, 39351), (1105, 36324), (1170, 34306), (1326, 30270), (1530, 26234), (1989, 20180), (2018, 19890), (2210, 18162), (2340, 17153), (2652, 15135), (3027, 13260), (3060, 13117), (3315, 12108), (3978, 10090), (4036, 9945), (4420, 9081), (5045, 7956), (6054, 6630)]