81971190

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 259983360

約数和(自身を除く): 178012170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 79, 81, 90, 105, 122, 126, 135, 158, 162, 183, 189, 210, 237, 243, 270, 305, 315, 366, 378, 395, 405, 427, 474, 486, 549, 553, 567, 610, 630, 711, 790, 810, 854, 915, 945, 1098, 1106, 1134, 1185, 1215, 1281, 1422, 1647, 1659, 1701, 1830, 1890, 2133, 2135, 2370, 2430, 2562, 2745, 2765, 2835, 3294, 3318, 3402, 3555, 3843, 4266, 4270, 4819, 4941, 4977, 5490, 5530, 5670, 6399, 6405, 7110, 7686, 8235, 8295, 8505, 9638, 9882, 9954, 10665, 11529, 12798, 12810, 14457, 14823, 14931, 16470, 16590, 17010, 19197, 19215, 21330, 23058, 24095, 24705, 24885, 28914, 29646, 29862, 31995, 33733, 34587, 38394, 38430, 43371, 44793, 48190, 49410, 49770, 57645, 63990, 67466, 69174, 72285, 74115, 74655, 86742, 89586, 95985, 101199, 103761, 115290, 130113, 134379, 144570, 148230, 149310, 168665, 172935, 191970, 202398, 207522, 216855, 223965, 260226, 268758, 303597, 337330, 345870, 390339, 433710, 447930, 505995, 518805, 607194, 650565, 671895, 780678, 910791, 1011990, 1037610, 1171017, 1301130, 1343790, 1517985, 1821582, 1951695, 2342034, 2732373, 3035970, 3903390, 4553955, 5464746, 5855085, 8197119, 9107910, 11710170, 13661865, 16394238, 27323730, 40985595, 81971190]

約数ペア:

[(1, 81971190), (2, 40985595), (3, 27323730), (5, 16394238), (6, 13661865), (7, 11710170), (9, 9107910), (10, 8197119), (14, 5855085), (15, 5464746), (18, 4553955), (21, 3903390), (27, 3035970), (30, 2732373), (35, 2342034), (42, 1951695), (45, 1821582), (54, 1517985), (61, 1343790), (63, 1301130), (70, 1171017), (79, 1037610), (81, 1011990), (90, 910791), (105, 780678), (122, 671895), (126, 650565), (135, 607194), (158, 518805), (162, 505995), (183, 447930), (189, 433710), (210, 390339), (237, 345870), (243, 337330), (270, 303597), (305, 268758), (315, 260226), (366, 223965), (378, 216855), (395, 207522), (405, 202398), (427, 191970), (474, 172935), (486, 168665), (549, 149310), (553, 148230), (567, 144570), (610, 134379), (630, 130113), (711, 115290), (790, 103761), (810, 101199), (854, 95985), (915, 89586), (945, 86742), (1098, 74655), (1106, 74115), (1134, 72285), (1185, 69174), (1215, 67466), (1281, 63990), (1422, 57645), (1647, 49770), (1659, 49410), (1701, 48190), (1830, 44793), (1890, 43371), (2133, 38430), (2135, 38394), (2370, 34587), (2430, 33733), (2562, 31995), (2745, 29862), (2765, 29646), (2835, 28914), (3294, 24885), (3318, 24705), (3402, 24095), (3555, 23058), (3843, 21330), (4266, 19215), (4270, 19197), (4819, 17010), (4941, 16590), (4977, 16470), (5490, 14931), (5530, 14823), (5670, 14457), (6399, 12810), (6405, 12798), (7110, 11529), (7686, 10665), (8235, 9954), (8295, 9882), (8505, 9638)]