71985900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 249359040

約数和(自身を除く): 177373140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 59, 60, 70, 75, 83, 84, 98, 100, 105, 118, 140, 147, 150, 166, 175, 177, 196, 210, 236, 245, 249, 294, 295, 300, 332, 350, 354, 413, 415, 420, 490, 498, 525, 581, 588, 590, 700, 708, 735, 826, 830, 885, 980, 996, 1050, 1162, 1180, 1225, 1239, 1245, 1470, 1475, 1652, 1660, 1743, 1770, 2065, 2075, 2100, 2324, 2450, 2478, 2490, 2891, 2905, 2940, 2950, 3486, 3540, 3675, 4067, 4130, 4150, 4425, 4897, 4900, 4956, 4980, 5782, 5810, 5900, 6195, 6225, 6972, 7350, 8134, 8260, 8300, 8673, 8715, 8850, 9794, 10325, 11564, 11620, 12201, 12390, 12450, 14455, 14525, 14691, 14700, 16268, 17346, 17430, 17700, 19588, 20335, 20650, 24402, 24485, 24780, 24900, 28910, 29050, 29382, 30975, 34279, 34692, 34860, 40670, 41300, 43365, 43575, 48804, 48970, 57820, 58100, 58764, 61005, 61950, 68558, 72275, 73455, 81340, 86730, 87150, 97940, 101675, 102837, 122010, 122425, 123900, 137116, 144550, 146910, 171395, 173460, 174300, 203350, 205674, 216825, 239953, 244020, 244850, 289100, 293820, 305025, 342790, 367275, 406700, 411348, 433650, 479906, 489700, 514185, 610050, 685580, 719859, 734550, 856975, 867300, 959812, 1028370, 1199765, 1220100, 1439718, 1469100, 1713950, 2056740, 2399530, 2570925, 2879436, 3427900, 3599295, 4799060, 5141850, 5998825, 7198590, 10283700, 11997650, 14397180, 17996475, 23995300, 35992950, 71985900]

約数ペア:

[(1, 71985900), (2, 35992950), (3, 23995300), (4, 17996475), (5, 14397180), (6, 11997650), (7, 10283700), (10, 7198590), (12, 5998825), (14, 5141850), (15, 4799060), (20, 3599295), (21, 3427900), (25, 2879436), (28, 2570925), (30, 2399530), (35, 2056740), (42, 1713950), (49, 1469100), (50, 1439718), (59, 1220100), (60, 1199765), (70, 1028370), (75, 959812), (83, 867300), (84, 856975), (98, 734550), (100, 719859), (105, 685580), (118, 610050), (140, 514185), (147, 489700), (150, 479906), (166, 433650), (175, 411348), (177, 406700), (196, 367275), (210, 342790), (236, 305025), (245, 293820), (249, 289100), (294, 244850), (295, 244020), (300, 239953), (332, 216825), (350, 205674), (354, 203350), (413, 174300), (415, 173460), (420, 171395), (490, 146910), (498, 144550), (525, 137116), (581, 123900), (588, 122425), (590, 122010), (700, 102837), (708, 101675), (735, 97940), (826, 87150), (830, 86730), (885, 81340), (980, 73455), (996, 72275), (1050, 68558), (1162, 61950), (1180, 61005), (1225, 58764), (1239, 58100), (1245, 57820), (1470, 48970), (1475, 48804), (1652, 43575), (1660, 43365), (1743, 41300), (1770, 40670), (2065, 34860), (2075, 34692), (2100, 34279), (2324, 30975), (2450, 29382), (2478, 29050), (2490, 28910), (2891, 24900), (2905, 24780), (2940, 24485), (2950, 24402), (3486, 20650), (3540, 20335), (3675, 19588), (4067, 17700), (4130, 17430), (4150, 17346), (4425, 16268), (4897, 14700), (4900, 14691), (4956, 14525), (4980, 14455), (5782, 12450), (5810, 12390), (5900, 12201), (6195, 11620), (6225, 11564), (6972, 10325), (7350, 9794), (8134, 8850), (8260, 8715), (8300, 8673)]