123982020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1370

約数の個数: 144

約数和(自身を含む): 411360768

約数和(自身を除く): 287378748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1307, 1395, 1530, 1581, 1860, 2108, 2614, 2635, 2790, 3060, 3162, 3921, 4743, 5228, 5270, 5580, 6324, 6535, 7842, 7905, 9486, 10540, 11763, 13070, 15684, 15810, 18972, 19605, 22219, 23526, 23715, 26140, 31620, 39210, 40517, 44438, 47052, 47430, 58815, 66657, 78420, 81034, 88876, 94860, 111095, 117630, 121551, 133314, 162068, 199971, 202585, 222190, 235260, 243102, 266628, 333285, 364653, 399942, 405170, 444380, 486204, 607755, 666570, 688789, 729306, 799884, 810340, 999855, 1215510, 1333140, 1377578, 1458612, 1823265, 1999710, 2066367, 2431020, 2755156, 3443945, 3646530, 3999420, 4132734, 6199101, 6887890, 7293060, 8265468, 10331835, 12398202, 13775780, 20663670, 24796404, 30995505, 41327340, 61991010, 123982020]

約数ペア:

[(1, 123982020), (2, 61991010), (3, 41327340), (4, 30995505), (5, 24796404), (6, 20663670), (9, 13775780), (10, 12398202), (12, 10331835), (15, 8265468), (17, 7293060), (18, 6887890), (20, 6199101), (30, 4132734), (31, 3999420), (34, 3646530), (36, 3443945), (45, 2755156), (51, 2431020), (60, 2066367), (62, 1999710), (68, 1823265), (85, 1458612), (90, 1377578), (93, 1333140), (102, 1215510), (124, 999855), (153, 810340), (155, 799884), (170, 729306), (180, 688789), (186, 666570), (204, 607755), (255, 486204), (279, 444380), (306, 405170), (310, 399942), (340, 364653), (372, 333285), (465, 266628), (510, 243102), (527, 235260), (558, 222190), (612, 202585), (620, 199971), (765, 162068), (930, 133314), (1020, 121551), (1054, 117630), (1116, 111095), (1307, 94860), (1395, 88876), (1530, 81034), (1581, 78420), (1860, 66657), (2108, 58815), (2614, 47430), (2635, 47052), (2790, 44438), (3060, 40517), (3162, 39210), (3921, 31620), (4743, 26140), (5228, 23715), (5270, 23526), (5580, 22219), (6324, 19605), (6535, 18972), (7842, 15810), (7905, 15684), (9486, 13070), (10540, 11763)]