201721680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9661}}^1$

素因数の和:9709

約数の個数: 120

約数和(自身を含む): 700881480

約数和(自身を除く): 499159800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 9661, 10440, 19322, 20880, 28983, 38644, 48305, 57966, 77288, 86949, 96610, 115932, 144915, 154576, 173898, 193220, 231864, 280169, 289830, 347796, 386440, 434745, 463728, 560338, 579660, 695592, 772880, 840507, 869490, 1120676, 1159320, 1391184, 1400845, 1681014, 1738980, 2241352, 2318640, 2521521, 2801690, 3362028, 3477960, 4202535, 4482704, 5043042, 5603380, 6724056, 6955920, 8405070, 10086084, 11206760, 12607605, 13448112, 16810140, 20172168, 22413520, 25215210, 33620280, 40344336, 50430420, 67240560, 100860840, 201721680]

約数ペア:

[(1, 201721680), (2, 100860840), (3, 67240560), (4, 50430420), (5, 40344336), (6, 33620280), (8, 25215210), (9, 22413520), (10, 20172168), (12, 16810140), (15, 13448112), (16, 12607605), (18, 11206760), (20, 10086084), (24, 8405070), (29, 6955920), (30, 6724056), (36, 5603380), (40, 5043042), (45, 4482704), (48, 4202535), (58, 3477960), (60, 3362028), (72, 2801690), (80, 2521521), (87, 2318640), (90, 2241352), (116, 1738980), (120, 1681014), (144, 1400845), (145, 1391184), (174, 1159320), (180, 1120676), (232, 869490), (240, 840507), (261, 772880), (290, 695592), (348, 579660), (360, 560338), (435, 463728), (464, 434745), (522, 386440), (580, 347796), (696, 289830), (720, 280169), (870, 231864), (1044, 193220), (1160, 173898), (1305, 154576), (1392, 144915), (1740, 115932), (2088, 96610), (2320, 86949), (2610, 77288), (3480, 57966), (4176, 48305), (5220, 38644), (6960, 28983), (9661, 20880), (10440, 19322)]