644778720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26339}}^1$

素因数の和:26377

約数の個数: 144

約数和(自身を含む): 2329825680

約数和(自身を除く): 1685046960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 12240, 24480, 26339, 52678, 79017, 105356, 131695, 158034, 210712, 237051, 263390, 316068, 395085, 421424, 447763, 474102, 526780, 632136, 790170, 842848, 895526, 948204, 1053560, 1185255, 1264272, 1343289, 1580340, 1791052, 1896408, 2107120, 2238815, 2370510, 2528544, 2686578, 3160680, 3582104, 3792816, 4029867, 4214240, 4477630, 4741020, 5373156, 6321360, 6716445, 7164208, 7585632, 8059734, 8955260, 9482040, 10746312, 12642720, 13432890, 14328416, 16119468, 17910520, 18964080, 20149335, 21492624, 26865780, 32238936, 35821040, 37928160, 40298670, 42985248, 53731560, 64477872, 71642080, 80597340, 107463120, 128955744, 161194680, 214926240, 322389360, 644778720]

約数ペア:

[(1, 644778720), (2, 322389360), (3, 214926240), (4, 161194680), (5, 128955744), (6, 107463120), (8, 80597340), (9, 71642080), (10, 64477872), (12, 53731560), (15, 42985248), (16, 40298670), (17, 37928160), (18, 35821040), (20, 32238936), (24, 26865780), (30, 21492624), (32, 20149335), (34, 18964080), (36, 17910520), (40, 16119468), (45, 14328416), (48, 13432890), (51, 12642720), (60, 10746312), (68, 9482040), (72, 8955260), (80, 8059734), (85, 7585632), (90, 7164208), (96, 6716445), (102, 6321360), (120, 5373156), (136, 4741020), (144, 4477630), (153, 4214240), (160, 4029867), (170, 3792816), (180, 3582104), (204, 3160680), (240, 2686578), (255, 2528544), (272, 2370510), (288, 2238815), (306, 2107120), (340, 1896408), (360, 1791052), (408, 1580340), (480, 1343289), (510, 1264272), (544, 1185255), (612, 1053560), (680, 948204), (720, 895526), (765, 842848), (816, 790170), (1020, 632136), (1224, 526780), (1360, 474102), (1440, 447763), (1530, 421424), (1632, 395085), (2040, 316068), (2448, 263390), (2720, 237051), (3060, 210712), (4080, 158034), (4896, 131695), (6120, 105356), (8160, 79017), (12240, 52678), (24480, 26339)]