31871070

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:117

約数の個数: 240

約数和(自身を含む): 110241648

約数和(自身を除く): 78370578

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 49, 54, 55, 63, 66, 70, 73, 77, 81, 90, 98, 99, 105, 110, 126, 135, 146, 147, 154, 162, 165, 189, 198, 210, 219, 231, 245, 270, 294, 297, 315, 330, 365, 378, 385, 405, 438, 441, 462, 490, 495, 511, 539, 567, 594, 630, 657, 693, 730, 735, 770, 803, 810, 882, 891, 945, 990, 1022, 1078, 1095, 1134, 1155, 1314, 1323, 1386, 1470, 1485, 1533, 1606, 1617, 1782, 1890, 1971, 2079, 2190, 2205, 2310, 2409, 2555, 2646, 2695, 2835, 2970, 3066, 3234, 3285, 3465, 3577, 3942, 3969, 4015, 4158, 4410, 4455, 4599, 4818, 4851, 5110, 5390, 5621, 5670, 5913, 6237, 6570, 6615, 6930, 7154, 7227, 7665, 7938, 8030, 8085, 8910, 9198, 9702, 9855, 10395, 10731, 11242, 11826, 12045, 12474, 13230, 13797, 14454, 14553, 15330, 16170, 16863, 17885, 19710, 19845, 20790, 21462, 21681, 22995, 24090, 24255, 27594, 28105, 29106, 29565, 31185, 32193, 33726, 35770, 36135, 39347, 39690, 41391, 43362, 43659, 45990, 48510, 50589, 53655, 56210, 59130, 62370, 64386, 65043, 68985, 72270, 72765, 78694, 82782, 84315, 87318, 96579, 101178, 107310, 108405, 118041, 130086, 137970, 145530, 151767, 160965, 168630, 193158, 196735, 206955, 216810, 218295, 236082, 252945, 289737, 303534, 321930, 325215, 354123, 393470, 413910, 436590, 455301, 482895, 505890, 579474, 590205, 650430, 708246, 758835, 910602, 965790, 1062369, 1180410, 1448685, 1517670, 1770615, 2124738, 2276505, 2897370, 3187107, 3541230, 4553010, 5311845, 6374214, 10623690, 15935535, 31871070]

約数ペア:

[(1, 31871070), (2, 15935535), (3, 10623690), (5, 6374214), (6, 5311845), (7, 4553010), (9, 3541230), (10, 3187107), (11, 2897370), (14, 2276505), (15, 2124738), (18, 1770615), (21, 1517670), (22, 1448685), (27, 1180410), (30, 1062369), (33, 965790), (35, 910602), (42, 758835), (45, 708246), (49, 650430), (54, 590205), (55, 579474), (63, 505890), (66, 482895), (70, 455301), (73, 436590), (77, 413910), (81, 393470), (90, 354123), (98, 325215), (99, 321930), (105, 303534), (110, 289737), (126, 252945), (135, 236082), (146, 218295), (147, 216810), (154, 206955), (162, 196735), (165, 193158), (189, 168630), (198, 160965), (210, 151767), (219, 145530), (231, 137970), (245, 130086), (270, 118041), (294, 108405), (297, 107310), (315, 101178), (330, 96579), (365, 87318), (378, 84315), (385, 82782), (405, 78694), (438, 72765), (441, 72270), (462, 68985), (490, 65043), (495, 64386), (511, 62370), (539, 59130), (567, 56210), (594, 53655), (630, 50589), (657, 48510), (693, 45990), (730, 43659), (735, 43362), (770, 41391), (803, 39690), (810, 39347), (882, 36135), (891, 35770), (945, 33726), (990, 32193), (1022, 31185), (1078, 29565), (1095, 29106), (1134, 28105), (1155, 27594), (1314, 24255), (1323, 24090), (1386, 22995), (1470, 21681), (1485, 21462), (1533, 20790), (1606, 19845), (1617, 19710), (1782, 17885), (1890, 16863), (1971, 16170), (2079, 15330), (2190, 14553), (2205, 14454), (2310, 13797), (2409, 13230), (2555, 12474), (2646, 12045), (2695, 11826), (2835, 11242), (2970, 10731), (3066, 10395), (3234, 9855), (3285, 9702), (3465, 9198), (3577, 8910), (3942, 8085), (3969, 8030), (4015, 7938), (4158, 7665), (4410, 7227), (4455, 7154), (4599, 6930), (4818, 6615), (4851, 6570), (5110, 6237), (5390, 5913), (5621, 5670)]