21781162080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{12917}}^1$

素因数の和:14109

約数の個数: 144

約数和(自身を含む): 74397448944

約数和(自身を除く): 52616286864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1171, 1440, 2342, 3513, 4684, 5855, 7026, 9368, 10539, 11710, 12917, 14052, 17565, 18736, 21078, 23420, 25834, 28104, 35130, 37472, 38751, 42156, 46840, 51668, 52695, 56208, 64585, 70260, 77502, 84312, 93680, 103336, 105390, 112416, 116253, 129170, 140520, 155004, 168624, 187360, 193755, 206672, 210780, 232506, 258340, 281040, 310008, 337248, 387510, 413344, 421560, 465012, 516680, 562080, 581265, 620016, 775020, 843120, 930024, 1033360, 1162530, 1240032, 1550040, 1686240, 1860048, 2066720, 2325060, 3100080, 3720096, 4650120, 6200160, 9300240, 15125807, 18600480, 30251614, 45377421, 60503228, 75629035, 90754842, 121006456, 136132263, 151258070, 181509684, 226887105, 242012912, 272264526, 302516140, 363019368, 453774210, 484025824, 544529052, 605032280, 680661315, 726038736, 907548420, 1089058104, 1210064560, 1361322630, 1452077472, 1815096840, 2178116208, 2420129120, 2722645260, 3630193680, 4356232416, 5445290520, 7260387360, 10890581040, 21781162080]

約数ペア:

[(1, 21781162080), (2, 10890581040), (3, 7260387360), (4, 5445290520), (5, 4356232416), (6, 3630193680), (8, 2722645260), (9, 2420129120), (10, 2178116208), (12, 1815096840), (15, 1452077472), (16, 1361322630), (18, 1210064560), (20, 1089058104), (24, 907548420), (30, 726038736), (32, 680661315), (36, 605032280), (40, 544529052), (45, 484025824), (48, 453774210), (60, 363019368), (72, 302516140), (80, 272264526), (90, 242012912), (96, 226887105), (120, 181509684), (144, 151258070), (160, 136132263), (180, 121006456), (240, 90754842), (288, 75629035), (360, 60503228), (480, 45377421), (720, 30251614), (1171, 18600480), (1440, 15125807), (2342, 9300240), (3513, 6200160), (4684, 4650120), (5855, 3720096), (7026, 3100080), (9368, 2325060), (10539, 2066720), (11710, 1860048), (12917, 1686240), (14052, 1550040), (17565, 1240032), (18736, 1162530), (21078, 1033360), (23420, 930024), (25834, 843120), (28104, 775020), (35130, 620016), (37472, 581265), (38751, 562080), (42156, 516680), (46840, 465012), (51668, 421560), (52695, 413344), (56208, 387510), (64585, 337248), (70260, 310008), (77502, 281040), (84312, 258340), (93680, 232506), (103336, 210780), (105390, 206672), (112416, 193755), (116253, 187360), (129170, 168624), (140520, 155004)]