254941020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{52457}}^1$

素因数の和:52481

約数の個数: 72

約数和(自身を含む): 801977904

約数和(自身を除く): 547036884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 52457, 104914, 157371, 209828, 262285, 314742, 472113, 524570, 629484, 786855, 944226, 1049140, 1416339, 1573710, 1888452, 2360565, 2832678, 3147420, 4249017, 4721130, 5665356, 7081695, 8498034, 9442260, 12747051, 14163390, 16996068, 21245085, 25494102, 28326780, 42490170, 50988204, 63735255, 84980340, 127470510, 254941020]

約数ペア:

[(1, 254941020), (2, 127470510), (3, 84980340), (4, 63735255), (5, 50988204), (6, 42490170), (9, 28326780), (10, 25494102), (12, 21245085), (15, 16996068), (18, 14163390), (20, 12747051), (27, 9442260), (30, 8498034), (36, 7081695), (45, 5665356), (54, 4721130), (60, 4249017), (81, 3147420), (90, 2832678), (108, 2360565), (135, 1888452), (162, 1573710), (180, 1416339), (243, 1049140), (270, 944226), (324, 786855), (405, 629484), (486, 524570), (540, 472113), (810, 314742), (972, 262285), (1215, 209828), (1620, 157371), (2430, 104914), (4860, 52457)]