20391276600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{86477}}^1$

素因数の和:86630

約数の個数: 144

約数和(自身を含む): 69004255320

約数和(自身を除く): 48612978720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 131, 150, 180, 200, 225, 262, 300, 360, 393, 450, 524, 600, 655, 786, 900, 1048, 1179, 1310, 1572, 1800, 1965, 2358, 2620, 3144, 3275, 3930, 4716, 5240, 5895, 6550, 7860, 9432, 9825, 11790, 13100, 15720, 19650, 23580, 26200, 29475, 39300, 47160, 58950, 78600, 86477, 117900, 172954, 235800, 259431, 345908, 432385, 518862, 691816, 778293, 864770, 1037724, 1297155, 1556586, 1729540, 2075448, 2161925, 2594310, 3113172, 3459080, 3891465, 4323850, 5188620, 6226344, 6485775, 7782930, 8647700, 10377240, 11328487, 12971550, 15565860, 17295400, 19457325, 22656974, 25943100, 31131720, 33985461, 38914650, 45313948, 51886200, 56642435, 67970922, 77829300, 90627896, 101956383, 113284870, 135941844, 155658600, 169927305, 203912766, 226569740, 271883688, 283212175, 339854610, 407825532, 453139480, 509781915, 566424350, 679709220, 815651064, 849636525, 1019563830, 1132848700, 1359418440, 1699273050, 2039127660, 2265697400, 2548909575, 3398546100, 4078255320, 5097819150, 6797092200, 10195638300, 20391276600]

約数ペア:

[(1, 20391276600), (2, 10195638300), (3, 6797092200), (4, 5097819150), (5, 4078255320), (6, 3398546100), (8, 2548909575), (9, 2265697400), (10, 2039127660), (12, 1699273050), (15, 1359418440), (18, 1132848700), (20, 1019563830), (24, 849636525), (25, 815651064), (30, 679709220), (36, 566424350), (40, 509781915), (45, 453139480), (50, 407825532), (60, 339854610), (72, 283212175), (75, 271883688), (90, 226569740), (100, 203912766), (120, 169927305), (131, 155658600), (150, 135941844), (180, 113284870), (200, 101956383), (225, 90627896), (262, 77829300), (300, 67970922), (360, 56642435), (393, 51886200), (450, 45313948), (524, 38914650), (600, 33985461), (655, 31131720), (786, 25943100), (900, 22656974), (1048, 19457325), (1179, 17295400), (1310, 15565860), (1572, 12971550), (1800, 11328487), (1965, 10377240), (2358, 8647700), (2620, 7782930), (3144, 6485775), (3275, 6226344), (3930, 5188620), (4716, 4323850), (5240, 3891465), (5895, 3459080), (6550, 3113172), (7860, 2594310), (9432, 2161925), (9825, 2075448), (11790, 1729540), (13100, 1556586), (15720, 1297155), (19650, 1037724), (23580, 864770), (26200, 778293), (29475, 691816), (39300, 518862), (47160, 432385), (58950, 345908), (78600, 259431), (86477, 235800), (117900, 172954)]