81740850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 235699200

約数和(自身を除く): 153958350

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 25, 29, 30, 38, 43, 46, 50, 57, 58, 69, 75, 86, 87, 95, 114, 115, 129, 138, 145, 150, 174, 190, 215, 230, 258, 285, 290, 345, 430, 435, 437, 475, 551, 570, 575, 645, 667, 690, 725, 817, 870, 874, 950, 989, 1075, 1102, 1150, 1247, 1290, 1311, 1334, 1425, 1450, 1634, 1653, 1725, 1978, 2001, 2150, 2175, 2185, 2451, 2494, 2622, 2755, 2850, 2967, 3225, 3306, 3335, 3450, 3741, 4002, 4085, 4350, 4370, 4902, 4945, 5510, 5934, 6235, 6450, 6555, 6670, 7482, 8170, 8265, 9890, 10005, 10925, 12255, 12470, 12673, 13110, 13775, 14835, 16530, 16675, 18705, 18791, 20010, 20425, 21850, 23693, 24510, 24725, 25346, 27550, 28681, 29670, 31175, 32775, 33350, 37410, 37582, 38019, 40850, 41325, 47386, 49450, 50025, 56373, 57362, 61275, 62350, 63365, 65550, 71079, 74175, 76038, 82650, 86043, 93525, 93955, 100050, 112746, 118465, 122550, 126730, 142158, 143405, 148350, 172086, 187050, 187910, 190095, 236930, 281865, 286810, 316825, 355395, 380190, 430215, 469775, 544939, 563730, 592325, 633650, 710790, 717025, 860430, 939550, 950475, 1089878, 1184650, 1409325, 1434050, 1634817, 1776975, 1900950, 2151075, 2724695, 2818650, 3269634, 3553950, 4302150, 5449390, 8174085, 13623475, 16348170, 27246950, 40870425, 81740850]

約数ペア:

[(1, 81740850), (2, 40870425), (3, 27246950), (5, 16348170), (6, 13623475), (10, 8174085), (15, 5449390), (19, 4302150), (23, 3553950), (25, 3269634), (29, 2818650), (30, 2724695), (38, 2151075), (43, 1900950), (46, 1776975), (50, 1634817), (57, 1434050), (58, 1409325), (69, 1184650), (75, 1089878), (86, 950475), (87, 939550), (95, 860430), (114, 717025), (115, 710790), (129, 633650), (138, 592325), (145, 563730), (150, 544939), (174, 469775), (190, 430215), (215, 380190), (230, 355395), (258, 316825), (285, 286810), (290, 281865), (345, 236930), (430, 190095), (435, 187910), (437, 187050), (475, 172086), (551, 148350), (570, 143405), (575, 142158), (645, 126730), (667, 122550), (690, 118465), (725, 112746), (817, 100050), (870, 93955), (874, 93525), (950, 86043), (989, 82650), (1075, 76038), (1102, 74175), (1150, 71079), (1247, 65550), (1290, 63365), (1311, 62350), (1334, 61275), (1425, 57362), (1450, 56373), (1634, 50025), (1653, 49450), (1725, 47386), (1978, 41325), (2001, 40850), (2150, 38019), (2175, 37582), (2185, 37410), (2451, 33350), (2494, 32775), (2622, 31175), (2755, 29670), (2850, 28681), (2967, 27550), (3225, 25346), (3306, 24725), (3335, 24510), (3450, 23693), (3741, 21850), (4002, 20425), (4085, 20010), (4350, 18791), (4370, 18705), (4902, 16675), (4945, 16530), (5510, 14835), (5934, 13775), (6235, 13110), (6450, 12673), (6555, 12470), (6670, 12255), (7482, 10925), (8170, 10005), (8265, 9890)]