72657180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 163214820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 449, 465, 522, 558, 580, 620, 870, 898, 899, 930, 1044, 1116, 1305, 1347, 1395, 1740, 1796, 1798, 1860, 2245, 2610, 2694, 2697, 2790, 3596, 4041, 4490, 4495, 5220, 5388, 5394, 5580, 6735, 8082, 8091, 8980, 8990, 10788, 13021, 13470, 13485, 13919, 16164, 16182, 17980, 20205, 26042, 26940, 26970, 27838, 32364, 39063, 40410, 40455, 41757, 52084, 53940, 55676, 65105, 69595, 78126, 80820, 80910, 83514, 117189, 125271, 130210, 139190, 156252, 161820, 167028, 195315, 208785, 234378, 250542, 260420, 278380, 390630, 403651, 417570, 468756, 501084, 585945, 626355, 781260, 807302, 835140, 1171890, 1210953, 1252710, 1614604, 2018255, 2343780, 2421906, 2505420, 3632859, 4036510, 4843812, 6054765, 7265718, 8073020, 12109530, 14531436, 18164295, 24219060, 36328590, 72657180]

約数ペア:

[(1, 72657180), (2, 36328590), (3, 24219060), (4, 18164295), (5, 14531436), (6, 12109530), (9, 8073020), (10, 7265718), (12, 6054765), (15, 4843812), (18, 4036510), (20, 3632859), (29, 2505420), (30, 2421906), (31, 2343780), (36, 2018255), (45, 1614604), (58, 1252710), (60, 1210953), (62, 1171890), (87, 835140), (90, 807302), (93, 781260), (116, 626355), (124, 585945), (145, 501084), (155, 468756), (174, 417570), (180, 403651), (186, 390630), (261, 278380), (279, 260420), (290, 250542), (310, 234378), (348, 208785), (372, 195315), (435, 167028), (449, 161820), (465, 156252), (522, 139190), (558, 130210), (580, 125271), (620, 117189), (870, 83514), (898, 80910), (899, 80820), (930, 78126), (1044, 69595), (1116, 65105), (1305, 55676), (1347, 53940), (1395, 52084), (1740, 41757), (1796, 40455), (1798, 40410), (1860, 39063), (2245, 32364), (2610, 27838), (2694, 26970), (2697, 26940), (2790, 26042), (3596, 20205), (4041, 17980), (4490, 16182), (4495, 16164), (5220, 13919), (5388, 13485), (5394, 13470), (5580, 13021), (6735, 10788), (8082, 8990), (8091, 8980)]