720213390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6679

約数の個数: 128

約数和(自身を含む): 2135347200

約数和(自身を除く): 1415133810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 806, 837, 930, 1170, 1209, 1395, 1674, 1755, 2015, 2418, 2790, 3510, 3627, 4030, 4185, 6045, 6619, 7254, 8370, 10881, 12090, 13238, 18135, 19857, 21762, 33095, 36270, 39714, 54405, 59571, 66190, 86047, 99285, 108810, 119142, 172094, 178713, 198570, 205189, 258141, 297855, 357426, 410378, 430235, 516282, 595710, 615567, 774423, 860470, 893565, 1025945, 1231134, 1290705, 1548846, 1787130, 1846701, 2051890, 2323269, 2581410, 2667457, 3077835, 3693402, 3872115, 4646538, 5334914, 5540103, 6155670, 7744230, 8002371, 9233505, 11080206, 11616345, 13337285, 16004742, 18467010, 23232690, 24007113, 26674570, 27700515, 40011855, 48014226, 55401030, 72021339, 80023710, 120035565, 144042678, 240071130, 360106695, 720213390]

約数ペア:

[(1, 720213390), (2, 360106695), (3, 240071130), (5, 144042678), (6, 120035565), (9, 80023710), (10, 72021339), (13, 55401030), (15, 48014226), (18, 40011855), (26, 27700515), (27, 26674570), (30, 24007113), (31, 23232690), (39, 18467010), (45, 16004742), (54, 13337285), (62, 11616345), (65, 11080206), (78, 9233505), (90, 8002371), (93, 7744230), (117, 6155670), (130, 5540103), (135, 5334914), (155, 4646538), (186, 3872115), (195, 3693402), (234, 3077835), (270, 2667457), (279, 2581410), (310, 2323269), (351, 2051890), (390, 1846701), (403, 1787130), (465, 1548846), (558, 1290705), (585, 1231134), (702, 1025945), (806, 893565), (837, 860470), (930, 774423), (1170, 615567), (1209, 595710), (1395, 516282), (1674, 430235), (1755, 410378), (2015, 357426), (2418, 297855), (2790, 258141), (3510, 205189), (3627, 198570), (4030, 178713), (4185, 172094), (6045, 119142), (6619, 108810), (7254, 99285), (8370, 86047), (10881, 66190), (12090, 59571), (13238, 54405), (18135, 39714), (19857, 36270), (21762, 33095)]