81260200260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1\times {\mathrm{9883}}^1$

素因数の和:12602

約数の個数: 144

約数和(自身を含む): 261112190976

約数和(自身を除く): 179851990716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 2687, 3060, 5374, 8061, 9883, 10748, 13435, 16122, 19766, 24183, 26870, 29649, 32244, 39532, 40305, 45679, 48366, 49415, 53740, 59298, 80610, 88947, 91358, 96732, 98830, 118596, 120915, 137037, 148245, 161220, 168011, 177894, 182716, 197660, 228395, 241830, 274074, 296490, 336022, 355788, 411111, 444735, 456790, 483660, 504033, 548148, 592980, 672044, 685185, 822222, 840055, 889470, 913580, 1008066, 1370370, 1512099, 1644444, 1680110, 1778940, 2016132, 2055555, 2520165, 2740740, 3024198, 3360220, 4111110, 5040330, 6048396, 7560495, 8222220, 10080660, 15120990, 26555621, 30241980, 53111242, 79666863, 106222484, 132778105, 159333726, 239000589, 265556210, 318667452, 398334315, 451445557, 478001178, 531112420, 796668630, 902891114, 956002356, 1195002945, 1354336671, 1593337260, 1805782228, 2257227785, 2390005890, 2708673342, 4063010013, 4514455570, 4780011780, 5417346684, 6771683355, 8126020026, 9028911140, 13543366710, 16252040052, 20315050065, 27086733420, 40630100130, 81260200260]

約数ペア:

[(1, 81260200260), (2, 40630100130), (3, 27086733420), (4, 20315050065), (5, 16252040052), (6, 13543366710), (9, 9028911140), (10, 8126020026), (12, 6771683355), (15, 5417346684), (17, 4780011780), (18, 4514455570), (20, 4063010013), (30, 2708673342), (34, 2390005890), (36, 2257227785), (45, 1805782228), (51, 1593337260), (60, 1354336671), (68, 1195002945), (85, 956002356), (90, 902891114), (102, 796668630), (153, 531112420), (170, 478001178), (180, 451445557), (204, 398334315), (255, 318667452), (306, 265556210), (340, 239000589), (510, 159333726), (612, 132778105), (765, 106222484), (1020, 79666863), (1530, 53111242), (2687, 30241980), (3060, 26555621), (5374, 15120990), (8061, 10080660), (9883, 8222220), (10748, 7560495), (13435, 6048396), (16122, 5040330), (19766, 4111110), (24183, 3360220), (26870, 3024198), (29649, 2740740), (32244, 2520165), (39532, 2055555), (40305, 2016132), (45679, 1778940), (48366, 1680110), (49415, 1644444), (53740, 1512099), (59298, 1370370), (80610, 1008066), (88947, 913580), (91358, 889470), (96732, 840055), (98830, 822222), (118596, 685185), (120915, 672044), (137037, 592980), (148245, 548148), (161220, 504033), (168011, 483660), (177894, 456790), (182716, 444735), (197660, 411111), (228395, 355788), (241830, 336022), (274074, 296490)]