28686480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 96422400

約数和(自身を除く): 67735920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 79, 80, 85, 89, 102, 120, 136, 158, 170, 178, 204, 237, 240, 255, 267, 272, 316, 340, 356, 395, 408, 445, 474, 510, 534, 632, 680, 712, 790, 816, 890, 948, 1020, 1068, 1185, 1264, 1335, 1343, 1360, 1424, 1513, 1580, 1780, 1896, 2040, 2136, 2370, 2670, 2686, 3026, 3160, 3560, 3792, 4029, 4080, 4272, 4539, 4740, 5340, 5372, 6052, 6320, 6715, 7031, 7120, 7565, 8058, 9078, 9480, 10680, 10744, 12104, 13430, 14062, 15130, 16116, 18156, 18960, 20145, 21093, 21360, 21488, 22695, 24208, 26860, 28124, 30260, 32232, 35155, 36312, 40290, 42186, 45390, 53720, 56248, 60520, 64464, 70310, 72624, 80580, 84372, 90780, 105465, 107440, 112496, 119527, 121040, 140620, 161160, 168744, 181560, 210930, 239054, 281240, 322320, 337488, 358581, 363120, 421860, 478108, 562480, 597635, 717162, 843720, 956216, 1195270, 1434324, 1687440, 1792905, 1912432, 2390540, 2868648, 3585810, 4781080, 5737296, 7171620, 9562160, 14343240, 28686480]

約数ペア:

[(1, 28686480), (2, 14343240), (3, 9562160), (4, 7171620), (5, 5737296), (6, 4781080), (8, 3585810), (10, 2868648), (12, 2390540), (15, 1912432), (16, 1792905), (17, 1687440), (20, 1434324), (24, 1195270), (30, 956216), (34, 843720), (40, 717162), (48, 597635), (51, 562480), (60, 478108), (68, 421860), (79, 363120), (80, 358581), (85, 337488), (89, 322320), (102, 281240), (120, 239054), (136, 210930), (158, 181560), (170, 168744), (178, 161160), (204, 140620), (237, 121040), (240, 119527), (255, 112496), (267, 107440), (272, 105465), (316, 90780), (340, 84372), (356, 80580), (395, 72624), (408, 70310), (445, 64464), (474, 60520), (510, 56248), (534, 53720), (632, 45390), (680, 42186), (712, 40290), (790, 36312), (816, 35155), (890, 32232), (948, 30260), (1020, 28124), (1068, 26860), (1185, 24208), (1264, 22695), (1335, 21488), (1343, 21360), (1360, 21093), (1424, 20145), (1513, 18960), (1580, 18156), (1780, 16116), (1896, 15130), (2040, 14062), (2136, 13430), (2370, 12104), (2670, 10744), (2686, 10680), (3026, 9480), (3160, 9078), (3560, 8058), (3792, 7565), (4029, 7120), (4080, 7031), (4272, 6715), (4539, 6320), (4740, 6052), (5340, 5372)]