18519120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 180

約数和(自身を含む): 66809340

約数和(自身を除く): 48290220

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, 89, 90, 102, 120, 136, 144, 153, 170, 178, 180, 204, 240, 255, 267, 272, 289, 306, 340, 356, 360, 408, 445, 510, 534, 578, 612, 680, 712, 720, 765, 801, 816, 867, 890, 1020, 1068, 1156, 1224, 1335, 1360, 1424, 1445, 1513, 1530, 1602, 1734, 1780, 2040, 2136, 2312, 2448, 2601, 2670, 2890, 3026, 3060, 3204, 3468, 3560, 4005, 4080, 4272, 4335, 4539, 4624, 5202, 5340, 5780, 6052, 6120, 6408, 6936, 7120, 7565, 8010, 8670, 9078, 10404, 10680, 11560, 12104, 12240, 12816, 13005, 13617, 13872, 15130, 16020, 17340, 18156, 20808, 21360, 22695, 23120, 24208, 25721, 26010, 27234, 30260, 32040, 34680, 36312, 41616, 45390, 51442, 52020, 54468, 60520, 64080, 68085, 69360, 72624, 77163, 90780, 102884, 104040, 108936, 121040, 128605, 136170, 154326, 181560, 205768, 208080, 217872, 231489, 257210, 272340, 308652, 363120, 385815, 411536, 462978, 514420, 544680, 617304, 771630, 925956, 1028840, 1089360, 1157445, 1234608, 1543260, 1851912, 2057680, 2314890, 3086520, 3703824, 4629780, 6173040, 9259560, 18519120]

約数ペア:

[(1, 18519120), (2, 9259560), (3, 6173040), (4, 4629780), (5, 3703824), (6, 3086520), (8, 2314890), (9, 2057680), (10, 1851912), (12, 1543260), (15, 1234608), (16, 1157445), (17, 1089360), (18, 1028840), (20, 925956), (24, 771630), (30, 617304), (34, 544680), (36, 514420), (40, 462978), (45, 411536), (48, 385815), (51, 363120), (60, 308652), (68, 272340), (72, 257210), (80, 231489), (85, 217872), (89, 208080), (90, 205768), (102, 181560), (120, 154326), (136, 136170), (144, 128605), (153, 121040), (170, 108936), (178, 104040), (180, 102884), (204, 90780), (240, 77163), (255, 72624), (267, 69360), (272, 68085), (289, 64080), (306, 60520), (340, 54468), (356, 52020), (360, 51442), (408, 45390), (445, 41616), (510, 36312), (534, 34680), (578, 32040), (612, 30260), (680, 27234), (712, 26010), (720, 25721), (765, 24208), (801, 23120), (816, 22695), (867, 21360), (890, 20808), (1020, 18156), (1068, 17340), (1156, 16020), (1224, 15130), (1335, 13872), (1360, 13617), (1424, 13005), (1445, 12816), (1513, 12240), (1530, 12104), (1602, 11560), (1734, 10680), (1780, 10404), (2040, 9078), (2136, 8670), (2312, 8010), (2448, 7565), (2601, 7120), (2670, 6936), (2890, 6408), (3026, 6120), (3060, 6052), (3204, 5780), (3468, 5340), (3560, 5202), (4005, 4624), (4080, 4539), (4272, 4335)]