15581700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 52080000

約数和(自身を除く): 36498300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 199, 225, 261, 270, 290, 300, 348, 398, 435, 450, 522, 540, 580, 597, 675, 725, 783, 796, 870, 900, 995, 1044, 1194, 1305, 1350, 1450, 1566, 1740, 1791, 1990, 2175, 2388, 2610, 2700, 2900, 2985, 3132, 3582, 3915, 3980, 4350, 4975, 5220, 5373, 5771, 5970, 6525, 7164, 7830, 8700, 8955, 9950, 10746, 11542, 11940, 13050, 14925, 15660, 17313, 17910, 19575, 19900, 21492, 23084, 26100, 26865, 28855, 29850, 34626, 35820, 39150, 44775, 51939, 53730, 57710, 59700, 69252, 78300, 86565, 89550, 103878, 107460, 115420, 134325, 144275, 155817, 173130, 179100, 207756, 259695, 268650, 288550, 311634, 346260, 432825, 519390, 537300, 577100, 623268, 779085, 865650, 1038780, 1298475, 1558170, 1731300, 2596950, 3116340, 3895425, 5193900, 7790850, 15581700]

約数ペア:

[(1, 15581700), (2, 7790850), (3, 5193900), (4, 3895425), (5, 3116340), (6, 2596950), (9, 1731300), (10, 1558170), (12, 1298475), (15, 1038780), (18, 865650), (20, 779085), (25, 623268), (27, 577100), (29, 537300), (30, 519390), (36, 432825), (45, 346260), (50, 311634), (54, 288550), (58, 268650), (60, 259695), (75, 207756), (87, 179100), (90, 173130), (100, 155817), (108, 144275), (116, 134325), (135, 115420), (145, 107460), (150, 103878), (174, 89550), (180, 86565), (199, 78300), (225, 69252), (261, 59700), (270, 57710), (290, 53730), (300, 51939), (348, 44775), (398, 39150), (435, 35820), (450, 34626), (522, 29850), (540, 28855), (580, 26865), (597, 26100), (675, 23084), (725, 21492), (783, 19900), (796, 19575), (870, 17910), (900, 17313), (995, 15660), (1044, 14925), (1194, 13050), (1305, 11940), (1350, 11542), (1450, 10746), (1566, 9950), (1740, 8955), (1791, 8700), (1990, 7830), (2175, 7164), (2388, 6525), (2610, 5970), (2700, 5771), (2900, 5373), (2985, 5220), (3132, 4975), (3582, 4350), (3915, 3980)]