23138520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 73656000

約数和(自身を除く): 50517480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 61, 87, 109, 116, 120, 122, 145, 174, 183, 218, 232, 244, 290, 305, 327, 348, 366, 435, 436, 488, 545, 580, 610, 654, 696, 732, 870, 872, 915, 1090, 1160, 1220, 1308, 1464, 1635, 1740, 1769, 1830, 2180, 2440, 2616, 3161, 3270, 3480, 3538, 3660, 4360, 5307, 6322, 6540, 6649, 7076, 7320, 8845, 9483, 10614, 12644, 13080, 13298, 14152, 15805, 17690, 18966, 19947, 21228, 25288, 26535, 26596, 31610, 33245, 35380, 37932, 39894, 42456, 47415, 53070, 53192, 63220, 66490, 70760, 75864, 79788, 94830, 99735, 106140, 126440, 132980, 159576, 189660, 192821, 199470, 212280, 265960, 379320, 385642, 398940, 578463, 771284, 797880, 964105, 1156926, 1542568, 1928210, 2313852, 2892315, 3856420, 4627704, 5784630, 7712840, 11569260, 23138520]

約数ペア:

[(1, 23138520), (2, 11569260), (3, 7712840), (4, 5784630), (5, 4627704), (6, 3856420), (8, 2892315), (10, 2313852), (12, 1928210), (15, 1542568), (20, 1156926), (24, 964105), (29, 797880), (30, 771284), (40, 578463), (58, 398940), (60, 385642), (61, 379320), (87, 265960), (109, 212280), (116, 199470), (120, 192821), (122, 189660), (145, 159576), (174, 132980), (183, 126440), (218, 106140), (232, 99735), (244, 94830), (290, 79788), (305, 75864), (327, 70760), (348, 66490), (366, 63220), (435, 53192), (436, 53070), (488, 47415), (545, 42456), (580, 39894), (610, 37932), (654, 35380), (696, 33245), (732, 31610), (870, 26596), (872, 26535), (915, 25288), (1090, 21228), (1160, 19947), (1220, 18966), (1308, 17690), (1464, 15805), (1635, 14152), (1740, 13298), (1769, 13080), (1830, 12644), (2180, 10614), (2440, 9483), (2616, 8845), (3161, 7320), (3270, 7076), (3480, 6649), (3538, 6540), (3660, 6322), (4360, 5307)]