81356310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 192

約数和(自身を含む): 257662080

約数和(自身を除く): 176305770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 61, 63, 70, 73, 87, 90, 105, 122, 126, 145, 146, 174, 183, 203, 210, 219, 261, 290, 305, 315, 365, 366, 406, 427, 435, 438, 511, 522, 549, 609, 610, 630, 657, 730, 854, 870, 915, 1015, 1022, 1095, 1098, 1218, 1281, 1305, 1314, 1533, 1769, 1827, 1830, 2030, 2117, 2135, 2190, 2555, 2562, 2610, 2745, 3045, 3066, 3285, 3538, 3654, 3843, 4234, 4270, 4453, 4599, 5110, 5307, 5490, 6090, 6351, 6405, 6570, 7665, 7686, 8845, 8906, 9135, 9198, 10585, 10614, 12383, 12702, 12810, 13359, 14819, 15330, 15921, 17690, 18270, 19053, 19215, 21170, 22265, 22995, 24766, 26535, 26718, 29638, 31171, 31755, 31842, 37149, 38106, 38430, 40077, 44457, 44530, 45990, 53070, 61915, 62342, 63510, 66795, 74095, 74298, 79605, 80154, 88914, 93513, 95265, 111447, 123830, 129137, 133371, 133590, 148190, 155855, 159210, 185745, 187026, 190530, 200385, 222285, 222894, 258274, 266742, 280539, 311710, 371490, 387411, 400770, 444570, 467565, 557235, 561078, 645685, 666855, 774822, 903959, 935130, 1114470, 1162233, 1291370, 1333710, 1402695, 1807918, 1937055, 2324466, 2711877, 2805390, 3874110, 4519795, 5423754, 5811165, 8135631, 9039590, 11622330, 13559385, 16271262, 27118770, 40678155, 81356310]

約数ペア:

[(1, 81356310), (2, 40678155), (3, 27118770), (5, 16271262), (6, 13559385), (7, 11622330), (9, 9039590), (10, 8135631), (14, 5811165), (15, 5423754), (18, 4519795), (21, 3874110), (29, 2805390), (30, 2711877), (35, 2324466), (42, 1937055), (45, 1807918), (58, 1402695), (61, 1333710), (63, 1291370), (70, 1162233), (73, 1114470), (87, 935130), (90, 903959), (105, 774822), (122, 666855), (126, 645685), (145, 561078), (146, 557235), (174, 467565), (183, 444570), (203, 400770), (210, 387411), (219, 371490), (261, 311710), (290, 280539), (305, 266742), (315, 258274), (365, 222894), (366, 222285), (406, 200385), (427, 190530), (435, 187026), (438, 185745), (511, 159210), (522, 155855), (549, 148190), (609, 133590), (610, 133371), (630, 129137), (657, 123830), (730, 111447), (854, 95265), (870, 93513), (915, 88914), (1015, 80154), (1022, 79605), (1095, 74298), (1098, 74095), (1218, 66795), (1281, 63510), (1305, 62342), (1314, 61915), (1533, 53070), (1769, 45990), (1827, 44530), (1830, 44457), (2030, 40077), (2117, 38430), (2135, 38106), (2190, 37149), (2555, 31842), (2562, 31755), (2610, 31171), (2745, 29638), (3045, 26718), (3066, 26535), (3285, 24766), (3538, 22995), (3654, 22265), (3843, 21170), (4234, 19215), (4270, 19053), (4453, 18270), (4599, 17690), (5110, 15921), (5307, 15330), (5490, 14819), (6090, 13359), (6351, 12810), (6405, 12702), (6570, 12383), (7665, 10614), (7686, 10585), (8845, 9198), (8906, 9135)]