66987760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 189309312

約数和(自身を除く): 122321552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 53, 56, 61, 70, 74, 80, 106, 112, 122, 140, 148, 185, 212, 244, 259, 265, 280, 296, 305, 370, 371, 424, 427, 488, 518, 530, 560, 592, 610, 740, 742, 848, 854, 976, 1036, 1060, 1220, 1295, 1480, 1484, 1708, 1855, 1961, 2072, 2120, 2135, 2257, 2440, 2590, 2960, 2968, 3233, 3416, 3710, 3922, 4144, 4240, 4270, 4514, 4880, 5180, 5936, 6466, 6832, 7420, 7844, 8540, 9028, 9805, 10360, 11285, 12932, 13727, 14840, 15688, 15799, 16165, 17080, 18056, 19610, 20720, 22570, 22631, 25864, 27454, 29680, 31376, 31598, 32330, 34160, 36112, 39220, 45140, 45262, 51728, 54908, 63196, 64660, 68635, 78440, 78995, 90280, 90524, 109816, 113155, 119621, 126392, 129320, 137270, 156880, 157990, 180560, 181048, 219632, 226310, 239242, 252784, 258640, 274540, 315980, 362096, 452620, 478484, 549080, 598105, 631960, 837347, 905240, 956968, 1098160, 1196210, 1263920, 1674694, 1810480, 1913936, 2392420, 3349388, 4186735, 4784840, 6698776, 8373470, 9569680, 13397552, 16746940, 33493880, 66987760]

約数ペア:

[(1, 66987760), (2, 33493880), (4, 16746940), (5, 13397552), (7, 9569680), (8, 8373470), (10, 6698776), (14, 4784840), (16, 4186735), (20, 3349388), (28, 2392420), (35, 1913936), (37, 1810480), (40, 1674694), (53, 1263920), (56, 1196210), (61, 1098160), (70, 956968), (74, 905240), (80, 837347), (106, 631960), (112, 598105), (122, 549080), (140, 478484), (148, 452620), (185, 362096), (212, 315980), (244, 274540), (259, 258640), (265, 252784), (280, 239242), (296, 226310), (305, 219632), (370, 181048), (371, 180560), (424, 157990), (427, 156880), (488, 137270), (518, 129320), (530, 126392), (560, 119621), (592, 113155), (610, 109816), (740, 90524), (742, 90280), (848, 78995), (854, 78440), (976, 68635), (1036, 64660), (1060, 63196), (1220, 54908), (1295, 51728), (1480, 45262), (1484, 45140), (1708, 39220), (1855, 36112), (1961, 34160), (2072, 32330), (2120, 31598), (2135, 31376), (2257, 29680), (2440, 27454), (2590, 25864), (2960, 22631), (2968, 22570), (3233, 20720), (3416, 19610), (3710, 18056), (3922, 17080), (4144, 16165), (4240, 15799), (4270, 15688), (4514, 14840), (4880, 13727), (5180, 12932), (5936, 11285), (6466, 10360), (6832, 9805), (7420, 9028), (7844, 8540)]