81828450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 244662912

約数和(自身を除く): 162834462

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 61, 66, 75, 90, 99, 110, 122, 150, 165, 183, 198, 225, 271, 275, 305, 330, 366, 450, 495, 542, 549, 550, 610, 671, 813, 825, 915, 990, 1098, 1342, 1355, 1525, 1626, 1650, 1830, 2013, 2439, 2475, 2710, 2745, 2981, 3050, 3355, 4026, 4065, 4575, 4878, 4950, 5490, 5962, 6039, 6710, 6775, 8130, 8943, 9150, 10065, 12078, 12195, 13550, 13725, 14905, 16531, 16775, 17886, 20130, 20325, 24390, 26829, 27450, 29810, 30195, 33062, 33550, 40650, 44715, 49593, 50325, 53658, 60390, 60975, 74525, 82655, 89430, 99186, 100650, 121950, 134145, 148779, 149050, 150975, 165310, 181841, 223575, 247965, 268290, 297558, 301950, 363682, 413275, 447150, 495930, 545523, 670725, 743895, 826550, 909205, 1091046, 1239825, 1341450, 1487790, 1636569, 1818410, 2479650, 2727615, 3273138, 3719475, 4546025, 5455230, 7438950, 8182845, 9092050, 13638075, 16365690, 27276150, 40914225, 81828450]

約数ペア:

[(1, 81828450), (2, 40914225), (3, 27276150), (5, 16365690), (6, 13638075), (9, 9092050), (10, 8182845), (11, 7438950), (15, 5455230), (18, 4546025), (22, 3719475), (25, 3273138), (30, 2727615), (33, 2479650), (45, 1818410), (50, 1636569), (55, 1487790), (61, 1341450), (66, 1239825), (75, 1091046), (90, 909205), (99, 826550), (110, 743895), (122, 670725), (150, 545523), (165, 495930), (183, 447150), (198, 413275), (225, 363682), (271, 301950), (275, 297558), (305, 268290), (330, 247965), (366, 223575), (450, 181841), (495, 165310), (542, 150975), (549, 149050), (550, 148779), (610, 134145), (671, 121950), (813, 100650), (825, 99186), (915, 89430), (990, 82655), (1098, 74525), (1342, 60975), (1355, 60390), (1525, 53658), (1626, 50325), (1650, 49593), (1830, 44715), (2013, 40650), (2439, 33550), (2475, 33062), (2710, 30195), (2745, 29810), (2981, 27450), (3050, 26829), (3355, 24390), (4026, 20325), (4065, 20130), (4575, 17886), (4878, 16775), (4950, 16531), (5490, 14905), (5962, 13725), (6039, 13550), (6710, 12195), (6775, 12078), (8130, 10065), (8943, 9150)]