31621590

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:66

約数の個数: 288

約数和(自身を含む): 115105536

約数和(自身を除く): 83483946

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 27, 30, 33, 35, 39, 42, 45, 54, 55, 63, 65, 66, 70, 77, 78, 81, 90, 91, 99, 105, 110, 117, 126, 130, 135, 143, 154, 162, 165, 169, 182, 189, 195, 198, 210, 231, 234, 243, 270, 273, 286, 297, 315, 330, 338, 351, 378, 385, 390, 405, 429, 455, 462, 486, 495, 507, 546, 567, 585, 594, 630, 693, 702, 715, 770, 810, 819, 845, 858, 891, 910, 945, 990, 1001, 1014, 1053, 1134, 1155, 1170, 1183, 1215, 1287, 1365, 1386, 1430, 1485, 1521, 1638, 1690, 1701, 1755, 1782, 1859, 1890, 2002, 2079, 2106, 2145, 2310, 2366, 2430, 2457, 2535, 2574, 2673, 2730, 2835, 2970, 3003, 3042, 3159, 3402, 3465, 3510, 3549, 3718, 3861, 4095, 4158, 4290, 4455, 4563, 4914, 5005, 5070, 5265, 5346, 5577, 5670, 5915, 6006, 6237, 6318, 6435, 6930, 7098, 7371, 7605, 7722, 8190, 8505, 8910, 9009, 9126, 9295, 10010, 10395, 10530, 10647, 11154, 11583, 11830, 12285, 12474, 12870, 13013, 13365, 13689, 14742, 15015, 15210, 15795, 16731, 17010, 17745, 18018, 18590, 18711, 19305, 20790, 21294, 22113, 22815, 23166, 24570, 26026, 26730, 27027, 27378, 27885, 30030, 31185, 31590, 31941, 33462, 34749, 35490, 36855, 37422, 38610, 39039, 41067, 44226, 45045, 45630, 50193, 53235, 54054, 55770, 57915, 62370, 63882, 65065, 68445, 69498, 73710, 78078, 81081, 82134, 83655, 90090, 93555, 95823, 100386, 106470, 110565, 115830, 117117, 130130, 135135, 136890, 150579, 159705, 162162, 167310, 173745, 187110, 191646, 195195, 205335, 221130, 234234, 243243, 250965, 270270, 287469, 301158, 319410, 347490, 351351, 390390, 405405, 410670, 451737, 479115, 486486, 501930, 574938, 585585, 702702, 752895, 810810, 903474, 958230, 1054053, 1171170, 1216215, 1437345, 1505790, 1756755, 2108106, 2258685, 2432430, 2874690, 3162159, 3513510, 4517370, 5270265, 6324318, 10540530, 15810795, 31621590]

約数ペア:

[(1, 31621590), (2, 15810795), (3, 10540530), (5, 6324318), (6, 5270265), (7, 4517370), (9, 3513510), (10, 3162159), (11, 2874690), (13, 2432430), (14, 2258685), (15, 2108106), (18, 1756755), (21, 1505790), (22, 1437345), (26, 1216215), (27, 1171170), (30, 1054053), (33, 958230), (35, 903474), (39, 810810), (42, 752895), (45, 702702), (54, 585585), (55, 574938), (63, 501930), (65, 486486), (66, 479115), (70, 451737), (77, 410670), (78, 405405), (81, 390390), (90, 351351), (91, 347490), (99, 319410), (105, 301158), (110, 287469), (117, 270270), (126, 250965), (130, 243243), (135, 234234), (143, 221130), (154, 205335), (162, 195195), (165, 191646), (169, 187110), (182, 173745), (189, 167310), (195, 162162), (198, 159705), (210, 150579), (231, 136890), (234, 135135), (243, 130130), (270, 117117), (273, 115830), (286, 110565), (297, 106470), (315, 100386), (330, 95823), (338, 93555), (351, 90090), (378, 83655), (385, 82134), (390, 81081), (405, 78078), (429, 73710), (455, 69498), (462, 68445), (486, 65065), (495, 63882), (507, 62370), (546, 57915), (567, 55770), (585, 54054), (594, 53235), (630, 50193), (693, 45630), (702, 45045), (715, 44226), (770, 41067), (810, 39039), (819, 38610), (845, 37422), (858, 36855), (891, 35490), (910, 34749), (945, 33462), (990, 31941), (1001, 31590), (1014, 31185), (1053, 30030), (1134, 27885), (1155, 27378), (1170, 27027), (1183, 26730), (1215, 26026), (1287, 24570), (1365, 23166), (1386, 22815), (1430, 22113), (1485, 21294), (1521, 20790), (1638, 19305), (1690, 18711), (1701, 18590), (1755, 18018), (1782, 17745), (1859, 17010), (1890, 16731), (2002, 15795), (2079, 15210), (2106, 15015), (2145, 14742), (2310, 13689), (2366, 13365), (2430, 13013), (2457, 12870), (2535, 12474), (2574, 12285), (2673, 11830), (2730, 11583), (2835, 11154), (2970, 10647), (3003, 10530), (3042, 10395), (3159, 10010), (3402, 9295), (3465, 9126), (3510, 9009), (3549, 8910), (3718, 8505), (3861, 8190), (4095, 7722), (4158, 7605), (4290, 7371), (4455, 7098), (4563, 6930), (4914, 6435), (5005, 6318), (5070, 6237), (5265, 6006), (5346, 5915), (5577, 5670)]