81414990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 228925440

約数和(自身を除く): 147510450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 71, 90, 93, 135, 137, 142, 155, 186, 213, 270, 274, 279, 310, 355, 411, 426, 465, 558, 639, 685, 710, 822, 837, 930, 1065, 1233, 1278, 1370, 1395, 1674, 1917, 2055, 2130, 2201, 2466, 2790, 3195, 3699, 3834, 4110, 4185, 4247, 4402, 6165, 6390, 6603, 7398, 8370, 8494, 9585, 9727, 11005, 12330, 12741, 13206, 18495, 19170, 19454, 19809, 21235, 22010, 25482, 29181, 33015, 36990, 38223, 39618, 42470, 48635, 58362, 59427, 63705, 66030, 76446, 87543, 97270, 99045, 114669, 118854, 127410, 145905, 175086, 191115, 198090, 229338, 262629, 291810, 297135, 301537, 382230, 437715, 525258, 573345, 594270, 603074, 875430, 904611, 1146690, 1313145, 1507685, 1809222, 2626290, 2713833, 3015370, 4523055, 5427666, 8141499, 9046110, 13569165, 16282998, 27138330, 40707495, 81414990]

約数ペア:

[(1, 81414990), (2, 40707495), (3, 27138330), (5, 16282998), (6, 13569165), (9, 9046110), (10, 8141499), (15, 5427666), (18, 4523055), (27, 3015370), (30, 2713833), (31, 2626290), (45, 1809222), (54, 1507685), (62, 1313145), (71, 1146690), (90, 904611), (93, 875430), (135, 603074), (137, 594270), (142, 573345), (155, 525258), (186, 437715), (213, 382230), (270, 301537), (274, 297135), (279, 291810), (310, 262629), (355, 229338), (411, 198090), (426, 191115), (465, 175086), (558, 145905), (639, 127410), (685, 118854), (710, 114669), (822, 99045), (837, 97270), (930, 87543), (1065, 76446), (1233, 66030), (1278, 63705), (1370, 59427), (1395, 58362), (1674, 48635), (1917, 42470), (2055, 39618), (2130, 38223), (2201, 36990), (2466, 33015), (2790, 29181), (3195, 25482), (3699, 22010), (3834, 21235), (4110, 19809), (4185, 19454), (4247, 19170), (4402, 18495), (6165, 13206), (6390, 12741), (6603, 12330), (7398, 11005), (8370, 9727), (8494, 9585)]