16780140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 56137536

約数和(自身を除く): 39357396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 101, 117, 130, 142, 156, 180, 195, 202, 213, 234, 260, 284, 303, 355, 390, 404, 426, 468, 505, 585, 606, 639, 710, 780, 852, 909, 923, 1010, 1065, 1170, 1212, 1278, 1313, 1420, 1515, 1818, 1846, 2020, 2130, 2340, 2556, 2626, 2769, 3030, 3195, 3636, 3692, 3939, 4260, 4545, 4615, 5252, 5538, 6060, 6390, 6565, 7171, 7878, 8307, 9090, 9230, 11076, 11817, 12780, 13130, 13845, 14342, 15756, 16614, 18180, 18460, 19695, 21513, 23634, 26260, 27690, 28684, 33228, 35855, 39390, 41535, 43026, 47268, 55380, 59085, 64539, 71710, 78780, 83070, 86052, 93223, 107565, 118170, 129078, 143420, 166140, 186446, 215130, 236340, 258156, 279669, 322695, 372892, 430260, 466115, 559338, 645390, 839007, 932230, 1118676, 1290780, 1398345, 1678014, 1864460, 2796690, 3356028, 4195035, 5593380, 8390070, 16780140]

約数ペア:

[(1, 16780140), (2, 8390070), (3, 5593380), (4, 4195035), (5, 3356028), (6, 2796690), (9, 1864460), (10, 1678014), (12, 1398345), (13, 1290780), (15, 1118676), (18, 932230), (20, 839007), (26, 645390), (30, 559338), (36, 466115), (39, 430260), (45, 372892), (52, 322695), (60, 279669), (65, 258156), (71, 236340), (78, 215130), (90, 186446), (101, 166140), (117, 143420), (130, 129078), (142, 118170), (156, 107565), (180, 93223), (195, 86052), (202, 83070), (213, 78780), (234, 71710), (260, 64539), (284, 59085), (303, 55380), (355, 47268), (390, 43026), (404, 41535), (426, 39390), (468, 35855), (505, 33228), (585, 28684), (606, 27690), (639, 26260), (710, 23634), (780, 21513), (852, 19695), (909, 18460), (923, 18180), (1010, 16614), (1065, 15756), (1170, 14342), (1212, 13845), (1278, 13130), (1313, 12780), (1420, 11817), (1515, 11076), (1818, 9230), (1846, 9090), (2020, 8307), (2130, 7878), (2340, 7171), (2556, 6565), (2626, 6390), (2769, 6060), (3030, 5538), (3195, 5252), (3636, 4615), (3692, 4545), (3939, 4260)]