72168840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3517}}^1$

素因数の和:3556

約数の個数: 128

約数和(自身を含む): 253296000

約数和(自身を除く): 181127160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 3517, 4104, 5130, 6840, 7034, 10260, 10551, 14068, 17585, 20520, 21102, 28136, 31653, 35170, 42204, 52755, 63306, 66823, 70340, 84408, 94959, 105510, 126612, 133646, 140680, 158265, 189918, 200469, 211020, 253224, 267292, 316530, 334115, 379836, 400938, 422040, 474795, 534584, 601407, 633060, 668230, 759672, 801876, 949590, 1002345, 1202814, 1266120, 1336460, 1603752, 1804221, 1899180, 2004690, 2405628, 2672920, 3007035, 3608442, 3798360, 4009380, 4811256, 6014070, 7216884, 8018760, 9021105, 12028140, 14433768, 18042210, 24056280, 36084420, 72168840]

約数ペア:

[(1, 72168840), (2, 36084420), (3, 24056280), (4, 18042210), (5, 14433768), (6, 12028140), (8, 9021105), (9, 8018760), (10, 7216884), (12, 6014070), (15, 4811256), (18, 4009380), (19, 3798360), (20, 3608442), (24, 3007035), (27, 2672920), (30, 2405628), (36, 2004690), (38, 1899180), (40, 1804221), (45, 1603752), (54, 1336460), (57, 1266120), (60, 1202814), (72, 1002345), (76, 949590), (90, 801876), (95, 759672), (108, 668230), (114, 633060), (120, 601407), (135, 534584), (152, 474795), (171, 422040), (180, 400938), (190, 379836), (216, 334115), (228, 316530), (270, 267292), (285, 253224), (342, 211020), (360, 200469), (380, 189918), (456, 158265), (513, 140680), (540, 133646), (570, 126612), (684, 105510), (760, 94959), (855, 84408), (1026, 70340), (1080, 66823), (1140, 63306), (1368, 52755), (1710, 42204), (2052, 35170), (2280, 31653), (2565, 28136), (3420, 21102), (3517, 20520), (4104, 17585), (5130, 14068), (6840, 10551), (7034, 10260)]