21285253600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{5701}}^1$

素因数の和:6093

約数の個数: 144

約数和(自身を含む): 56125470240

約数和(自身を除く): 34840216640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 359, 400, 416, 520, 650, 718, 800, 1040, 1300, 1436, 1795, 2080, 2600, 2872, 3590, 4667, 5200, 5701, 5744, 7180, 8975, 9334, 10400, 11402, 11488, 14360, 17950, 18668, 22804, 23335, 28505, 28720, 35900, 37336, 45608, 46670, 57010, 57440, 71800, 74113, 74672, 91216, 93340, 114020, 116675, 142525, 143600, 148226, 149344, 182432, 186680, 228040, 233350, 285050, 287200, 296452, 370565, 373360, 456080, 466700, 570100, 592904, 741130, 746720, 912160, 933400, 1140200, 1185808, 1482260, 1852825, 1866800, 2046659, 2280400, 2371616, 2964520, 3705650, 3733600, 4093318, 4560800, 5929040, 7411300, 8186636, 10233295, 11858080, 14822600, 16373272, 20466590, 26606567, 29645200, 32746544, 40933180, 51166475, 53213134, 59290400, 65493088, 81866360, 102332950, 106426268, 133032835, 163732720, 204665900, 212852536, 266065670, 327465440, 409331800, 425705072, 532131340, 665164175, 818663600, 851410144, 1064262680, 1330328350, 1637327200, 2128525360, 2660656700, 4257050720, 5321313400, 10642626800, 21285253600]

約数ペア:

[(1, 21285253600), (2, 10642626800), (4, 5321313400), (5, 4257050720), (8, 2660656700), (10, 2128525360), (13, 1637327200), (16, 1330328350), (20, 1064262680), (25, 851410144), (26, 818663600), (32, 665164175), (40, 532131340), (50, 425705072), (52, 409331800), (65, 327465440), (80, 266065670), (100, 212852536), (104, 204665900), (130, 163732720), (160, 133032835), (200, 106426268), (208, 102332950), (260, 81866360), (325, 65493088), (359, 59290400), (400, 53213134), (416, 51166475), (520, 40933180), (650, 32746544), (718, 29645200), (800, 26606567), (1040, 20466590), (1300, 16373272), (1436, 14822600), (1795, 11858080), (2080, 10233295), (2600, 8186636), (2872, 7411300), (3590, 5929040), (4667, 4560800), (5200, 4093318), (5701, 3733600), (5744, 3705650), (7180, 2964520), (8975, 2371616), (9334, 2280400), (10400, 2046659), (11402, 1866800), (11488, 1852825), (14360, 1482260), (17950, 1185808), (18668, 1140200), (22804, 933400), (23335, 912160), (28505, 746720), (28720, 741130), (35900, 592904), (37336, 570100), (45608, 466700), (46670, 456080), (57010, 373360), (57440, 370565), (71800, 296452), (74113, 287200), (74672, 285050), (91216, 233350), (93340, 228040), (114020, 186680), (116675, 182432), (142525, 149344), (143600, 148226)]