16998540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 57200640

約数和(自身を除く): 40202100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 37, 38, 39, 52, 57, 60, 62, 65, 74, 76, 78, 93, 95, 111, 114, 124, 130, 148, 155, 156, 185, 186, 190, 195, 222, 228, 247, 260, 285, 310, 370, 372, 380, 390, 403, 444, 465, 481, 494, 555, 570, 589, 620, 703, 740, 741, 780, 806, 930, 962, 988, 1110, 1140, 1147, 1178, 1209, 1235, 1406, 1443, 1482, 1612, 1767, 1860, 1924, 2015, 2109, 2220, 2294, 2356, 2405, 2418, 2470, 2812, 2886, 2945, 2964, 3441, 3515, 3534, 3705, 4030, 4218, 4588, 4810, 4836, 4940, 5735, 5772, 5890, 6045, 6882, 7030, 7068, 7215, 7410, 7657, 8060, 8436, 8835, 9139, 9620, 10545, 11470, 11780, 12090, 13764, 14060, 14430, 14820, 14911, 15314, 17205, 17670, 18278, 21090, 21793, 22940, 22971, 24180, 27417, 28860, 29822, 30628, 34410, 35340, 36556, 38285, 42180, 43586, 44733, 45695, 45942, 54834, 59644, 65379, 68820, 74555, 76570, 87172, 89466, 91390, 91884, 108965, 109668, 114855, 130758, 137085, 149110, 153140, 178932, 182780, 217930, 223665, 229710, 261516, 274170, 283309, 298220, 326895, 435860, 447330, 459420, 548340, 566618, 653790, 849927, 894660, 1133236, 1307580, 1416545, 1699854, 2833090, 3399708, 4249635, 5666180, 8499270, 16998540]

約数ペア:

[(1, 16998540), (2, 8499270), (3, 5666180), (4, 4249635), (5, 3399708), (6, 2833090), (10, 1699854), (12, 1416545), (13, 1307580), (15, 1133236), (19, 894660), (20, 849927), (26, 653790), (30, 566618), (31, 548340), (37, 459420), (38, 447330), (39, 435860), (52, 326895), (57, 298220), (60, 283309), (62, 274170), (65, 261516), (74, 229710), (76, 223665), (78, 217930), (93, 182780), (95, 178932), (111, 153140), (114, 149110), (124, 137085), (130, 130758), (148, 114855), (155, 109668), (156, 108965), (185, 91884), (186, 91390), (190, 89466), (195, 87172), (222, 76570), (228, 74555), (247, 68820), (260, 65379), (285, 59644), (310, 54834), (370, 45942), (372, 45695), (380, 44733), (390, 43586), (403, 42180), (444, 38285), (465, 36556), (481, 35340), (494, 34410), (555, 30628), (570, 29822), (589, 28860), (620, 27417), (703, 24180), (740, 22971), (741, 22940), (780, 21793), (806, 21090), (930, 18278), (962, 17670), (988, 17205), (1110, 15314), (1140, 14911), (1147, 14820), (1178, 14430), (1209, 14060), (1235, 13764), (1406, 12090), (1443, 11780), (1482, 11470), (1612, 10545), (1767, 9620), (1860, 9139), (1924, 8835), (2015, 8436), (2109, 8060), (2220, 7657), (2294, 7410), (2356, 7215), (2405, 7068), (2418, 7030), (2470, 6882), (2812, 6045), (2886, 5890), (2945, 5772), (2964, 5735), (3441, 4940), (3515, 4836), (3534, 4810), (3705, 4588), (4030, 4218)]