141921990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1315

約数の個数: 128

約数和(自身を含む): 439971840

約数和(自身を除く): 298049850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 90, 105, 122, 126, 135, 183, 189, 210, 270, 305, 315, 366, 378, 427, 549, 610, 630, 854, 915, 945, 1098, 1231, 1281, 1647, 1830, 1890, 2135, 2462, 2562, 2745, 3294, 3693, 3843, 4270, 5490, 6155, 6405, 7386, 7686, 8235, 8617, 11079, 11529, 12310, 12810, 16470, 17234, 18465, 19215, 22158, 23058, 25851, 33237, 36930, 38430, 43085, 51702, 55395, 57645, 66474, 75091, 77553, 86170, 110790, 115290, 129255, 150182, 155106, 166185, 225273, 232659, 258510, 332370, 375455, 387765, 450546, 465318, 525637, 675819, 750910, 775530, 1051274, 1126365, 1163295, 1351638, 1576911, 2027457, 2252730, 2326590, 2628185, 3153822, 3379095, 4054914, 4730733, 5256370, 6758190, 7884555, 9461466, 10137285, 14192199, 15769110, 20274570, 23653665, 28384398, 47307330, 70960995, 141921990]

約数ペア:

[(1, 141921990), (2, 70960995), (3, 47307330), (5, 28384398), (6, 23653665), (7, 20274570), (9, 15769110), (10, 14192199), (14, 10137285), (15, 9461466), (18, 7884555), (21, 6758190), (27, 5256370), (30, 4730733), (35, 4054914), (42, 3379095), (45, 3153822), (54, 2628185), (61, 2326590), (63, 2252730), (70, 2027457), (90, 1576911), (105, 1351638), (122, 1163295), (126, 1126365), (135, 1051274), (183, 775530), (189, 750910), (210, 675819), (270, 525637), (305, 465318), (315, 450546), (366, 387765), (378, 375455), (427, 332370), (549, 258510), (610, 232659), (630, 225273), (854, 166185), (915, 155106), (945, 150182), (1098, 129255), (1231, 115290), (1281, 110790), (1647, 86170), (1830, 77553), (1890, 75091), (2135, 66474), (2462, 57645), (2562, 55395), (2745, 51702), (3294, 43085), (3693, 38430), (3843, 36930), (4270, 33237), (5490, 25851), (6155, 23058), (6405, 22158), (7386, 19215), (7686, 18465), (8235, 17234), (8617, 16470), (11079, 12810), (11529, 12310)]