2178720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 7960680

約数和(自身を除く): 5781960

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, 89, 90, 96, 102, 120, 136, 144, 153, 160, 170, 178, 180, 204, 240, 255, 267, 272, 288, 306, 340, 356, 360, 408, 445, 480, 510, 534, 544, 612, 680, 712, 720, 765, 801, 816, 890, 1020, 1068, 1224, 1335, 1360, 1424, 1440, 1513, 1530, 1602, 1632, 1780, 2040, 2136, 2448, 2670, 2720, 2848, 3026, 3060, 3204, 3560, 4005, 4080, 4272, 4539, 4896, 5340, 6052, 6120, 6408, 7120, 7565, 8010, 8160, 8544, 9078, 10680, 12104, 12240, 12816, 13617, 14240, 15130, 16020, 18156, 21360, 22695, 24208, 24480, 25632, 27234, 30260, 32040, 36312, 42720, 45390, 48416, 54468, 60520, 64080, 68085, 72624, 90780, 108936, 121040, 128160, 136170, 145248, 181560, 217872, 242080, 272340, 363120, 435744, 544680, 726240, 1089360, 2178720]

約数ペア:

[(1, 2178720), (2, 1089360), (3, 726240), (4, 544680), (5, 435744), (6, 363120), (8, 272340), (9, 242080), (10, 217872), (12, 181560), (15, 145248), (16, 136170), (17, 128160), (18, 121040), (20, 108936), (24, 90780), (30, 72624), (32, 68085), (34, 64080), (36, 60520), (40, 54468), (45, 48416), (48, 45390), (51, 42720), (60, 36312), (68, 32040), (72, 30260), (80, 27234), (85, 25632), (89, 24480), (90, 24208), (96, 22695), (102, 21360), (120, 18156), (136, 16020), (144, 15130), (153, 14240), (160, 13617), (170, 12816), (178, 12240), (180, 12104), (204, 10680), (240, 9078), (255, 8544), (267, 8160), (272, 8010), (288, 7565), (306, 7120), (340, 6408), (356, 6120), (360, 6052), (408, 5340), (445, 4896), (480, 4539), (510, 4272), (534, 4080), (544, 4005), (612, 3560), (680, 3204), (712, 3060), (720, 3026), (765, 2848), (801, 2720), (816, 2670), (890, 2448), (1020, 2136), (1068, 2040), (1224, 1780), (1335, 1632), (1360, 1602), (1424, 1530), (1440, 1513)]