666900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:55

約数の個数: 144

約数和(自身を含む): 2430400

約数和(自身を除く): 1763500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 27, 30, 36, 38, 39, 45, 50, 52, 54, 57, 60, 65, 75, 76, 78, 90, 95, 100, 108, 114, 117, 130, 135, 150, 156, 171, 180, 190, 195, 225, 228, 234, 247, 260, 270, 285, 300, 325, 342, 351, 380, 390, 450, 468, 475, 494, 513, 540, 570, 585, 650, 675, 684, 702, 741, 780, 855, 900, 950, 975, 988, 1026, 1140, 1170, 1235, 1300, 1350, 1404, 1425, 1482, 1710, 1755, 1900, 1950, 2052, 2223, 2340, 2470, 2565, 2700, 2850, 2925, 2964, 3420, 3510, 3705, 3900, 4275, 4446, 4940, 5130, 5700, 5850, 6175, 6669, 7020, 7410, 8550, 8775, 8892, 10260, 11115, 11700, 12350, 12825, 13338, 14820, 17100, 17550, 18525, 22230, 24700, 25650, 26676, 33345, 35100, 37050, 44460, 51300, 55575, 66690, 74100, 111150, 133380, 166725, 222300, 333450, 666900]

約数ペア:

[(1, 666900), (2, 333450), (3, 222300), (4, 166725), (5, 133380), (6, 111150), (9, 74100), (10, 66690), (12, 55575), (13, 51300), (15, 44460), (18, 37050), (19, 35100), (20, 33345), (25, 26676), (26, 25650), (27, 24700), (30, 22230), (36, 18525), (38, 17550), (39, 17100), (45, 14820), (50, 13338), (52, 12825), (54, 12350), (57, 11700), (60, 11115), (65, 10260), (75, 8892), (76, 8775), (78, 8550), (90, 7410), (95, 7020), (100, 6669), (108, 6175), (114, 5850), (117, 5700), (130, 5130), (135, 4940), (150, 4446), (156, 4275), (171, 3900), (180, 3705), (190, 3510), (195, 3420), (225, 2964), (228, 2925), (234, 2850), (247, 2700), (260, 2565), (270, 2470), (285, 2340), (300, 2223), (325, 2052), (342, 1950), (351, 1900), (380, 1755), (390, 1710), (450, 1482), (468, 1425), (475, 1404), (494, 1350), (513, 1300), (540, 1235), (570, 1170), (585, 1140), (650, 1026), (675, 988), (684, 975), (702, 950), (741, 900), (780, 855)]