71982900

素因数分解:

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

素因数の和:703

約数の個数: 162

約数和(自身を含む): 248377766

約数和(自身を除く): 176394866

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 121, 132, 150, 165, 180, 198, 220, 225, 242, 275, 300, 330, 363, 396, 450, 484, 495, 550, 605, 660, 661, 726, 825, 900, 990, 1089, 1100, 1210, 1322, 1452, 1650, 1815, 1980, 1983, 2178, 2420, 2475, 2644, 3025, 3300, 3305, 3630, 3966, 4356, 4950, 5445, 5949, 6050, 6610, 7260, 7271, 7932, 9075, 9900, 9915, 10890, 11898, 12100, 13220, 14542, 16525, 18150, 19830, 21780, 21813, 23796, 27225, 29084, 29745, 33050, 36300, 36355, 39660, 43626, 49575, 54450, 59490, 65439, 66100, 72710, 79981, 87252, 99150, 108900, 109065, 118980, 130878, 145420, 148725, 159962, 181775, 198300, 218130, 239943, 261756, 297450, 319924, 327195, 363550, 399905, 436260, 479886, 545325, 594900, 654390, 719829, 727100, 799810, 959772, 1090650, 1199715, 1308780, 1439658, 1599620, 1635975, 1999525, 2181300, 2399430, 2879316, 3271950, 3599145, 3999050, 4798860, 5998575, 6543900, 7198290, 7998100, 11997150, 14396580, 17995725, 23994300, 35991450, 71982900]

約数ペア:

[(1, 71982900), (2, 35991450), (3, 23994300), (4, 17995725), (5, 14396580), (6, 11997150), (9, 7998100), (10, 7198290), (11, 6543900), (12, 5998575), (15, 4798860), (18, 3999050), (20, 3599145), (22, 3271950), (25, 2879316), (30, 2399430), (33, 2181300), (36, 1999525), (44, 1635975), (45, 1599620), (50, 1439658), (55, 1308780), (60, 1199715), (66, 1090650), (75, 959772), (90, 799810), (99, 727100), (100, 719829), (110, 654390), (121, 594900), (132, 545325), (150, 479886), (165, 436260), (180, 399905), (198, 363550), (220, 327195), (225, 319924), (242, 297450), (275, 261756), (300, 239943), (330, 218130), (363, 198300), (396, 181775), (450, 159962), (484, 148725), (495, 145420), (550, 130878), (605, 118980), (660, 109065), (661, 108900), (726, 99150), (825, 87252), (900, 79981), (990, 72710), (1089, 66100), (1100, 65439), (1210, 59490), (1322, 54450), (1452, 49575), (1650, 43626), (1815, 39660), (1980, 36355), (1983, 36300), (2178, 33050), (2420, 29745), (2475, 29084), (2644, 27225), (3025, 23796), (3300, 21813), (3305, 21780), (3630, 19830), (3966, 18150), (4356, 16525), (4950, 14542), (5445, 13220), (5949, 12100), (6050, 11898), (6610, 10890), (7260, 9915), (7271, 9900), (7932, 9075)]