257419440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21031}}^1$

素因数の和:21067

約数の個数: 120

約数和(自身を含む): 915396768

約数和(自身を除く): 657977328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 21031, 42062, 63093, 84124, 105155, 126186, 168248, 189279, 210310, 252372, 315465, 336496, 357527, 378558, 420620, 504744, 630930, 715054, 757116, 841240, 946395, 1009488, 1072581, 1261860, 1430108, 1514232, 1682480, 1787635, 1892790, 2145162, 2523720, 2860216, 3028464, 3217743, 3575270, 3785580, 4290324, 5047440, 5362905, 5720432, 6435486, 7150540, 7571160, 8580648, 10725810, 12870972, 14301080, 15142320, 16088715, 17161296, 21451620, 25741944, 28602160, 32177430, 42903240, 51483888, 64354860, 85806480, 128709720, 257419440]

約数ペア:

[(1, 257419440), (2, 128709720), (3, 85806480), (4, 64354860), (5, 51483888), (6, 42903240), (8, 32177430), (9, 28602160), (10, 25741944), (12, 21451620), (15, 17161296), (16, 16088715), (17, 15142320), (18, 14301080), (20, 12870972), (24, 10725810), (30, 8580648), (34, 7571160), (36, 7150540), (40, 6435486), (45, 5720432), (48, 5362905), (51, 5047440), (60, 4290324), (68, 3785580), (72, 3575270), (80, 3217743), (85, 3028464), (90, 2860216), (102, 2523720), (120, 2145162), (136, 1892790), (144, 1787635), (153, 1682480), (170, 1514232), (180, 1430108), (204, 1261860), (240, 1072581), (255, 1009488), (272, 946395), (306, 841240), (340, 757116), (360, 715054), (408, 630930), (510, 504744), (612, 420620), (680, 378558), (720, 357527), (765, 336496), (816, 315465), (1020, 252372), (1224, 210310), (1360, 189279), (1530, 168248), (2040, 126186), (2448, 105155), (3060, 84124), (4080, 63093), (6120, 42062), (12240, 21031)]