1980516780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3691}}^1$

素因数の和:3988

約数の個数: 144

約数和(自身を含む): 6579675648

約数和(自身を除く): 4599158868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 271, 330, 396, 495, 542, 660, 813, 990, 1084, 1355, 1626, 1980, 2439, 2710, 2981, 3252, 3691, 4065, 4878, 5420, 5962, 7382, 8130, 8943, 9756, 11073, 11924, 12195, 14764, 14905, 16260, 17886, 18455, 22146, 24390, 26829, 29810, 33219, 35772, 36910, 40601, 44292, 44715, 48780, 53658, 55365, 59620, 66438, 73820, 81202, 89430, 107316, 110730, 121803, 132876, 134145, 162404, 166095, 178860, 203005, 221460, 243606, 268290, 332190, 365409, 406010, 487212, 536580, 609015, 664380, 730818, 812020, 1000261, 1218030, 1461636, 1827045, 2000522, 2436060, 3000783, 3654090, 4001044, 5001305, 6001566, 7308180, 9002349, 10002610, 11002871, 12003132, 15003915, 18004698, 20005220, 22005742, 30007830, 33008613, 36009396, 44011484, 45011745, 55014355, 60015660, 66017226, 90023490, 99025839, 110028710, 132034452, 165043065, 180046980, 198051678, 220057420, 330086130, 396103356, 495129195, 660172260, 990258390, 1980516780]

約数ペア:

[(1, 1980516780), (2, 990258390), (3, 660172260), (4, 495129195), (5, 396103356), (6, 330086130), (9, 220057420), (10, 198051678), (11, 180046980), (12, 165043065), (15, 132034452), (18, 110028710), (20, 99025839), (22, 90023490), (30, 66017226), (33, 60015660), (36, 55014355), (44, 45011745), (45, 44011484), (55, 36009396), (60, 33008613), (66, 30007830), (90, 22005742), (99, 20005220), (110, 18004698), (132, 15003915), (165, 12003132), (180, 11002871), (198, 10002610), (220, 9002349), (271, 7308180), (330, 6001566), (396, 5001305), (495, 4001044), (542, 3654090), (660, 3000783), (813, 2436060), (990, 2000522), (1084, 1827045), (1355, 1461636), (1626, 1218030), (1980, 1000261), (2439, 812020), (2710, 730818), (2981, 664380), (3252, 609015), (3691, 536580), (4065, 487212), (4878, 406010), (5420, 365409), (5962, 332190), (7382, 268290), (8130, 243606), (8943, 221460), (9756, 203005), (11073, 178860), (11924, 166095), (12195, 162404), (14764, 134145), (14905, 132876), (16260, 121803), (17886, 110730), (18455, 107316), (22146, 89430), (24390, 81202), (26829, 73820), (29810, 66438), (33219, 59620), (35772, 55365), (36910, 53658), (40601, 48780), (44292, 44715)]