81596970

素因数分解:

$2^1\times 3^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 256

約数和(自身を含む): 277724160

約数和(自身を除く): 196127190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 41, 42, 45, 54, 63, 65, 70, 78, 81, 82, 90, 91, 105, 117, 123, 126, 130, 135, 162, 182, 189, 195, 205, 210, 234, 243, 246, 270, 273, 287, 315, 351, 369, 378, 390, 405, 410, 455, 486, 533, 546, 567, 574, 585, 615, 630, 702, 729, 738, 810, 819, 861, 910, 945, 1053, 1066, 1107, 1134, 1170, 1215, 1230, 1365, 1435, 1458, 1599, 1638, 1701, 1722, 1755, 1845, 1890, 2106, 2187, 2214, 2430, 2457, 2583, 2665, 2730, 2835, 2870, 3159, 3198, 3321, 3402, 3510, 3645, 3690, 3731, 4095, 4305, 4374, 4797, 4914, 5103, 5166, 5265, 5330, 5535, 5670, 6318, 6642, 7290, 7371, 7462, 7749, 7995, 8190, 8505, 8610, 9477, 9594, 9963, 10206, 10530, 10935, 11070, 11193, 12285, 12915, 14391, 14742, 15309, 15498, 15795, 15990, 16605, 17010, 18655, 18954, 19926, 21870, 22113, 22386, 23247, 23985, 24570, 25515, 25830, 28431, 28782, 29889, 30618, 31590, 33210, 33579, 36855, 37310, 38745, 43173, 44226, 46494, 47385, 47970, 49815, 51030, 55965, 56862, 59778, 66339, 67158, 69741, 71955, 73710, 76545, 77490, 86346, 89667, 94770, 99630, 100737, 110565, 111930, 116235, 129519, 132678, 139482, 142155, 143910, 149445, 153090, 167895, 179334, 199017, 201474, 209223, 215865, 221130, 232470, 259038, 284310, 298890, 302211, 331695, 335790, 348705, 388557, 398034, 418446, 431730, 448335, 503685, 604422, 627669, 647595, 663390, 697410, 777114, 896670, 906633, 995085, 1007370, 1046115, 1165671, 1255338, 1295190, 1511055, 1813266, 1942785, 1990170, 2092230, 2331342, 2719899, 3022110, 3138345, 3885570, 4533165, 5439798, 5828355, 6276690, 8159697, 9066330, 11656710, 13599495, 16319394, 27198990, 40798485, 81596970]

約数ペア:

[(1, 81596970), (2, 40798485), (3, 27198990), (5, 16319394), (6, 13599495), (7, 11656710), (9, 9066330), (10, 8159697), (13, 6276690), (14, 5828355), (15, 5439798), (18, 4533165), (21, 3885570), (26, 3138345), (27, 3022110), (30, 2719899), (35, 2331342), (39, 2092230), (41, 1990170), (42, 1942785), (45, 1813266), (54, 1511055), (63, 1295190), (65, 1255338), (70, 1165671), (78, 1046115), (81, 1007370), (82, 995085), (90, 906633), (91, 896670), (105, 777114), (117, 697410), (123, 663390), (126, 647595), (130, 627669), (135, 604422), (162, 503685), (182, 448335), (189, 431730), (195, 418446), (205, 398034), (210, 388557), (234, 348705), (243, 335790), (246, 331695), (270, 302211), (273, 298890), (287, 284310), (315, 259038), (351, 232470), (369, 221130), (378, 215865), (390, 209223), (405, 201474), (410, 199017), (455, 179334), (486, 167895), (533, 153090), (546, 149445), (567, 143910), (574, 142155), (585, 139482), (615, 132678), (630, 129519), (702, 116235), (729, 111930), (738, 110565), (810, 100737), (819, 99630), (861, 94770), (910, 89667), (945, 86346), (1053, 77490), (1066, 76545), (1107, 73710), (1134, 71955), (1170, 69741), (1215, 67158), (1230, 66339), (1365, 59778), (1435, 56862), (1458, 55965), (1599, 51030), (1638, 49815), (1701, 47970), (1722, 47385), (1755, 46494), (1845, 44226), (1890, 43173), (2106, 38745), (2187, 37310), (2214, 36855), (2430, 33579), (2457, 33210), (2583, 31590), (2665, 30618), (2730, 29889), (2835, 28782), (2870, 28431), (3159, 25830), (3198, 25515), (3321, 24570), (3402, 23985), (3510, 23247), (3645, 22386), (3690, 22113), (3731, 21870), (4095, 19926), (4305, 18954), (4374, 18655), (4797, 17010), (4914, 16605), (5103, 15990), (5166, 15795), (5265, 15498), (5330, 15309), (5535, 14742), (5670, 14391), (6318, 12915), (6642, 12285), (7290, 11193), (7371, 11070), (7462, 10935), (7749, 10530), (7995, 10206), (8190, 9963), (8505, 9594), (8610, 9477)]