263151720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18743}}^1$

素因数の和:18776

約数の個数: 128

約数和(自身を含む): 944697600

約数和(自身を除く): 681545880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 18743, 37486, 56229, 74972, 93715, 112458, 149944, 168687, 187430, 224916, 243659, 281145, 337374, 374860, 449832, 487318, 506061, 562290, 674748, 730977, 749720, 843435, 974636, 1012122, 1124580, 1218295, 1349496, 1461954, 1686870, 1949272, 2024244, 2192931, 2249160, 2436590, 2530305, 2923908, 3373740, 3654885, 4048488, 4385862, 4873180, 5060610, 5847816, 6578793, 6747480, 7309770, 8771724, 9746360, 10121220, 10964655, 13157586, 14619540, 17543448, 20242440, 21929310, 26315172, 29239080, 32893965, 43858620, 52630344, 65787930, 87717240, 131575860, 263151720]

約数ペア:

[(1, 263151720), (2, 131575860), (3, 87717240), (4, 65787930), (5, 52630344), (6, 43858620), (8, 32893965), (9, 29239080), (10, 26315172), (12, 21929310), (13, 20242440), (15, 17543448), (18, 14619540), (20, 13157586), (24, 10964655), (26, 10121220), (27, 9746360), (30, 8771724), (36, 7309770), (39, 6747480), (40, 6578793), (45, 5847816), (52, 5060610), (54, 4873180), (60, 4385862), (65, 4048488), (72, 3654885), (78, 3373740), (90, 2923908), (104, 2530305), (108, 2436590), (117, 2249160), (120, 2192931), (130, 2024244), (135, 1949272), (156, 1686870), (180, 1461954), (195, 1349496), (216, 1218295), (234, 1124580), (260, 1012122), (270, 974636), (312, 843435), (351, 749720), (360, 730977), (390, 674748), (468, 562290), (520, 506061), (540, 487318), (585, 449832), (702, 374860), (780, 337374), (936, 281145), (1080, 243659), (1170, 224916), (1404, 187430), (1560, 168687), (1755, 149944), (2340, 112458), (2808, 93715), (3510, 74972), (4680, 56229), (7020, 37486), (14040, 18743)]