66306780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4139}}^1$

素因数の和:4243

約数の個数: 72

約数和(自身を含む): 203439600

約数和(自身を除く): 137132820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4139, 5340, 8010, 8278, 12417, 16020, 16556, 20695, 24834, 37251, 41390, 49668, 62085, 74502, 82780, 124170, 149004, 186255, 248340, 368371, 372510, 736742, 745020, 1105113, 1473484, 1841855, 2210226, 3315339, 3683710, 4420452, 5525565, 6630678, 7367420, 11051130, 13261356, 16576695, 22102260, 33153390, 66306780]

約数ペア:

[(1, 66306780), (2, 33153390), (3, 22102260), (4, 16576695), (5, 13261356), (6, 11051130), (9, 7367420), (10, 6630678), (12, 5525565), (15, 4420452), (18, 3683710), (20, 3315339), (30, 2210226), (36, 1841855), (45, 1473484), (60, 1105113), (89, 745020), (90, 736742), (178, 372510), (180, 368371), (267, 248340), (356, 186255), (445, 149004), (534, 124170), (801, 82780), (890, 74502), (1068, 62085), (1335, 49668), (1602, 41390), (1780, 37251), (2670, 24834), (3204, 20695), (4005, 16556), (4139, 16020), (5340, 12417), (8010, 8278)]