28793160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 103013820

約数和(自身を除く): 74220660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 661, 726, 792, 968, 990, 1089, 1210, 1320, 1322, 1452, 1815, 1980, 1983, 2178, 2420, 2644, 2904, 3305, 3630, 3960, 3966, 4356, 4840, 5288, 5445, 5949, 6610, 7260, 7271, 7932, 8712, 9915, 10890, 11898, 13220, 14520, 14542, 15864, 19830, 21780, 21813, 23796, 26440, 29084, 29745, 36355, 39660, 43560, 43626, 47592, 58168, 59490, 65439, 72710, 79320, 79981, 87252, 109065, 118980, 130878, 145420, 159962, 174504, 218130, 237960, 239943, 261756, 290840, 319924, 327195, 399905, 436260, 479886, 523512, 639848, 654390, 719829, 799810, 872520, 959772, 1199715, 1308780, 1439658, 1599620, 1919544, 2399430, 2617560, 2879316, 3199240, 3599145, 4798860, 5758632, 7198290, 9597720, 14396580, 28793160]

約数ペア:

[(1, 28793160), (2, 14396580), (3, 9597720), (4, 7198290), (5, 5758632), (6, 4798860), (8, 3599145), (9, 3199240), (10, 2879316), (11, 2617560), (12, 2399430), (15, 1919544), (18, 1599620), (20, 1439658), (22, 1308780), (24, 1199715), (30, 959772), (33, 872520), (36, 799810), (40, 719829), (44, 654390), (45, 639848), (55, 523512), (60, 479886), (66, 436260), (72, 399905), (88, 327195), (90, 319924), (99, 290840), (110, 261756), (120, 239943), (121, 237960), (132, 218130), (165, 174504), (180, 159962), (198, 145420), (220, 130878), (242, 118980), (264, 109065), (330, 87252), (360, 79981), (363, 79320), (396, 72710), (440, 65439), (484, 59490), (495, 58168), (605, 47592), (660, 43626), (661, 43560), (726, 39660), (792, 36355), (968, 29745), (990, 29084), (1089, 26440), (1210, 23796), (1320, 21813), (1322, 21780), (1452, 19830), (1815, 15864), (1980, 14542), (1983, 14520), (2178, 13220), (2420, 11898), (2644, 10890), (2904, 9915), (3305, 8712), (3630, 7932), (3960, 7271), (3966, 7260), (4356, 6610), (4840, 5949), (5288, 5445)]