1279071780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{3169}}^1$

素因数の和:3250

約数の個数: 144

約数和(自身を含む): 4230656640

約数和(自身を除く): 2951584860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 961, 1085, 1302, 1860, 1922, 2170, 2604, 2883, 3169, 3255, 3844, 4340, 4805, 5766, 6338, 6510, 6727, 9507, 9610, 11532, 12676, 13020, 13454, 14415, 15845, 19014, 19220, 20181, 22183, 26908, 28830, 31690, 33635, 38028, 40362, 44366, 47535, 57660, 63380, 66549, 67270, 80724, 88732, 95070, 98239, 100905, 110915, 133098, 134540, 190140, 196478, 201810, 221830, 266196, 294717, 332745, 392956, 403620, 443660, 491195, 589434, 665490, 687673, 982390, 1178868, 1330980, 1375346, 1473585, 1964780, 2063019, 2750692, 2947170, 3045409, 3438365, 4126038, 5894340, 6090818, 6876730, 8252076, 9136227, 10315095, 12181636, 13753460, 15227045, 18272454, 20630190, 21317863, 30454090, 36544908, 41260380, 42635726, 45681135, 60908180, 63953589, 85271452, 91362270, 106589315, 127907178, 182724540, 213178630, 255814356, 319767945, 426357260, 639535890, 1279071780]

約数ペア:

[(1, 1279071780), (2, 639535890), (3, 426357260), (4, 319767945), (5, 255814356), (6, 213178630), (7, 182724540), (10, 127907178), (12, 106589315), (14, 91362270), (15, 85271452), (20, 63953589), (21, 60908180), (28, 45681135), (30, 42635726), (31, 41260380), (35, 36544908), (42, 30454090), (60, 21317863), (62, 20630190), (70, 18272454), (84, 15227045), (93, 13753460), (105, 12181636), (124, 10315095), (140, 9136227), (155, 8252076), (186, 6876730), (210, 6090818), (217, 5894340), (310, 4126038), (372, 3438365), (420, 3045409), (434, 2947170), (465, 2750692), (620, 2063019), (651, 1964780), (868, 1473585), (930, 1375346), (961, 1330980), (1085, 1178868), (1302, 982390), (1860, 687673), (1922, 665490), (2170, 589434), (2604, 491195), (2883, 443660), (3169, 403620), (3255, 392956), (3844, 332745), (4340, 294717), (4805, 266196), (5766, 221830), (6338, 201810), (6510, 196478), (6727, 190140), (9507, 134540), (9610, 133098), (11532, 110915), (12676, 100905), (13020, 98239), (13454, 95070), (14415, 88732), (15845, 80724), (19014, 67270), (19220, 66549), (20181, 63380), (22183, 57660), (26908, 47535), (28830, 44366), (31690, 40362), (33635, 38028)]