161738220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 548352000

約数和(自身を除く): 386613780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 271, 290, 294, 343, 348, 406, 420, 435, 490, 542, 580, 588, 609, 686, 735, 812, 813, 870, 980, 1015, 1029, 1084, 1218, 1355, 1372, 1421, 1470, 1626, 1715, 1740, 1897, 2030, 2058, 2436, 2710, 2842, 2940, 3045, 3252, 3430, 3794, 4060, 4065, 4116, 4263, 5145, 5420, 5684, 5691, 6090, 6860, 7105, 7588, 7859, 8130, 8526, 9485, 9947, 10290, 11382, 12180, 13279, 14210, 15718, 16260, 17052, 18970, 19894, 20580, 21315, 22764, 23577, 26558, 28420, 28455, 29841, 31436, 37940, 39295, 39788, 39837, 42630, 47154, 49735, 53116, 55013, 56910, 59682, 66395, 78590, 79674, 85260, 92953, 94308, 99470, 110026, 113820, 117885, 119364, 132790, 149205, 157180, 159348, 165039, 185906, 198940, 199185, 220052, 235770, 265580, 275065, 278859, 298410, 330078, 371812, 385091, 398370, 464765, 471540, 550130, 557718, 596820, 660156, 770182, 796740, 825195, 929530, 1100260, 1115436, 1155273, 1394295, 1540364, 1650390, 1859060, 1925455, 2310546, 2695637, 2788590, 3300780, 3850910, 4621092, 5391274, 5577180, 5776365, 7701820, 8086911, 10782548, 11552730, 13478185, 16173822, 23105460, 26956370, 32347644, 40434555, 53912740, 80869110, 161738220]

約数ペア:

[(1, 161738220), (2, 80869110), (3, 53912740), (4, 40434555), (5, 32347644), (6, 26956370), (7, 23105460), (10, 16173822), (12, 13478185), (14, 11552730), (15, 10782548), (20, 8086911), (21, 7701820), (28, 5776365), (29, 5577180), (30, 5391274), (35, 4621092), (42, 3850910), (49, 3300780), (58, 2788590), (60, 2695637), (70, 2310546), (84, 1925455), (87, 1859060), (98, 1650390), (105, 1540364), (116, 1394295), (140, 1155273), (145, 1115436), (147, 1100260), (174, 929530), (196, 825195), (203, 796740), (210, 770182), (245, 660156), (271, 596820), (290, 557718), (294, 550130), (343, 471540), (348, 464765), (406, 398370), (420, 385091), (435, 371812), (490, 330078), (542, 298410), (580, 278859), (588, 275065), (609, 265580), (686, 235770), (735, 220052), (812, 199185), (813, 198940), (870, 185906), (980, 165039), (1015, 159348), (1029, 157180), (1084, 149205), (1218, 132790), (1355, 119364), (1372, 117885), (1421, 113820), (1470, 110026), (1626, 99470), (1715, 94308), (1740, 92953), (1897, 85260), (2030, 79674), (2058, 78590), (2436, 66395), (2710, 59682), (2842, 56910), (2940, 55013), (3045, 53116), (3252, 49735), (3430, 47154), (3794, 42630), (4060, 39837), (4065, 39788), (4116, 39295), (4263, 37940), (5145, 31436), (5420, 29841), (5684, 28455), (5691, 28420), (6090, 26558), (6860, 23577), (7105, 22764), (7588, 21315), (7859, 20580), (8130, 19894), (8526, 18970), (9485, 17052), (9947, 16260), (10290, 15718), (11382, 14210), (12180, 13279)]