42138180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 149071104

約数和(自身を除く): 106932924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 631, 636, 742, 795, 954, 1060, 1113, 1260, 1262, 1484, 1590, 1855, 1893, 1908, 2226, 2385, 2524, 3155, 3180, 3339, 3710, 3786, 4417, 4452, 4770, 5565, 5679, 6310, 6678, 7420, 7572, 8834, 9465, 9540, 11130, 11358, 12620, 13251, 13356, 16695, 17668, 18930, 22085, 22260, 22716, 26502, 28395, 33390, 33443, 37860, 39753, 44170, 53004, 56790, 66255, 66780, 66886, 79506, 88340, 100329, 113580, 132510, 133772, 159012, 167215, 198765, 200658, 234101, 265020, 300987, 334430, 397530, 401316, 468202, 501645, 601974, 668860, 702303, 795060, 936404, 1003290, 1170505, 1203948, 1404606, 1504935, 2006580, 2106909, 2341010, 2809212, 3009870, 3511515, 4213818, 4682020, 6019740, 7023030, 8427636, 10534545, 14046060, 21069090, 42138180]

約数ペア:

[(1, 42138180), (2, 21069090), (3, 14046060), (4, 10534545), (5, 8427636), (6, 7023030), (7, 6019740), (9, 4682020), (10, 4213818), (12, 3511515), (14, 3009870), (15, 2809212), (18, 2341010), (20, 2106909), (21, 2006580), (28, 1504935), (30, 1404606), (35, 1203948), (36, 1170505), (42, 1003290), (45, 936404), (53, 795060), (60, 702303), (63, 668860), (70, 601974), (84, 501645), (90, 468202), (105, 401316), (106, 397530), (126, 334430), (140, 300987), (159, 265020), (180, 234101), (210, 200658), (212, 198765), (252, 167215), (265, 159012), (315, 133772), (318, 132510), (371, 113580), (420, 100329), (477, 88340), (530, 79506), (630, 66886), (631, 66780), (636, 66255), (742, 56790), (795, 53004), (954, 44170), (1060, 39753), (1113, 37860), (1260, 33443), (1262, 33390), (1484, 28395), (1590, 26502), (1855, 22716), (1893, 22260), (1908, 22085), (2226, 18930), (2385, 17668), (2524, 16695), (3155, 13356), (3180, 13251), (3339, 12620), (3710, 11358), (3786, 11130), (4417, 9540), (4452, 9465), (4770, 8834), (5565, 7572), (5679, 7420), (6310, 6678)]