247152780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3701}}^1$

素因数の和:3776

約数の個数: 144

約数和(自身を含む): 873198144

約数和(自身を除く): 626045364

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, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3180, 3339, 3701, 3710, 4452, 4770, 5565, 6678, 7402, 7420, 9540, 11103, 11130, 13356, 14804, 16695, 18505, 22206, 22260, 25907, 33309, 33390, 37010, 44412, 51814, 55515, 66618, 66780, 74020, 77721, 103628, 111030, 129535, 133236, 155442, 166545, 196153, 222060, 233163, 259070, 310884, 333090, 388605, 392306, 466326, 518140, 588459, 666180, 777210, 784612, 932652, 980765, 1165815, 1176918, 1373071, 1554420, 1765377, 1961530, 2331630, 2353836, 2746142, 2942295, 3530754, 3923060, 4119213, 4663260, 5492284, 5884590, 6865355, 7061508, 8238426, 8826885, 11769180, 12357639, 13730710, 16476852, 17653770, 20596065, 24715278, 27461420, 35307540, 41192130, 49430556, 61788195, 82384260, 123576390, 247152780]

約数ペア:

[(1, 247152780), (2, 123576390), (3, 82384260), (4, 61788195), (5, 49430556), (6, 41192130), (7, 35307540), (9, 27461420), (10, 24715278), (12, 20596065), (14, 17653770), (15, 16476852), (18, 13730710), (20, 12357639), (21, 11769180), (28, 8826885), (30, 8238426), (35, 7061508), (36, 6865355), (42, 5884590), (45, 5492284), (53, 4663260), (60, 4119213), (63, 3923060), (70, 3530754), (84, 2942295), (90, 2746142), (105, 2353836), (106, 2331630), (126, 1961530), (140, 1765377), (159, 1554420), (180, 1373071), (210, 1176918), (212, 1165815), (252, 980765), (265, 932652), (315, 784612), (318, 777210), (371, 666180), (420, 588459), (477, 518140), (530, 466326), (630, 392306), (636, 388605), (742, 333090), (795, 310884), (954, 259070), (1060, 233163), (1113, 222060), (1260, 196153), (1484, 166545), (1590, 155442), (1855, 133236), (1908, 129535), (2226, 111030), (2385, 103628), (3180, 77721), (3339, 74020), (3701, 66780), (3710, 66618), (4452, 55515), (4770, 51814), (5565, 44412), (6678, 37010), (7402, 33390), (7420, 33309), (9540, 25907), (11103, 22260), (11130, 22206), (13356, 18505), (14804, 16695)]