278157240

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{9539}}^1$

素因数の和:9568

約数の個数: 112

約数和(自身を含む): 938449800

約数和(自身を除く): 660292560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4860, 5832, 7290, 9539, 9720, 14580, 19078, 28617, 29160, 38156, 47695, 57234, 76312, 85851, 95390, 114468, 143085, 171702, 190780, 228936, 257553, 286170, 343404, 381560, 429255, 515106, 572340, 686808, 772659, 858510, 1030212, 1144680, 1287765, 1545318, 1717020, 2060424, 2317977, 2575530, 3090636, 3434040, 3863295, 4635954, 5151060, 6181272, 6953931, 7726590, 9271908, 10302120, 11589885, 13907862, 15453180, 18543816, 23179770, 27815724, 30906360, 34769655, 46359540, 55631448, 69539310, 92719080, 139078620, 278157240]

約数ペア:

[(1, 278157240), (2, 139078620), (3, 92719080), (4, 69539310), (5, 55631448), (6, 46359540), (8, 34769655), (9, 30906360), (10, 27815724), (12, 23179770), (15, 18543816), (18, 15453180), (20, 13907862), (24, 11589885), (27, 10302120), (30, 9271908), (36, 7726590), (40, 6953931), (45, 6181272), (54, 5151060), (60, 4635954), (72, 3863295), (81, 3434040), (90, 3090636), (108, 2575530), (120, 2317977), (135, 2060424), (162, 1717020), (180, 1545318), (216, 1287765), (243, 1144680), (270, 1030212), (324, 858510), (360, 772659), (405, 686808), (486, 572340), (540, 515106), (648, 429255), (729, 381560), (810, 343404), (972, 286170), (1080, 257553), (1215, 228936), (1458, 190780), (1620, 171702), (1944, 143085), (2430, 114468), (2916, 95390), (3240, 85851), (3645, 76312), (4860, 57234), (5832, 47695), (7290, 38156), (9539, 29160), (9720, 28617), (14580, 19078)]