1881666540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2903}}^1$

素因数の和:3208

約数の個数: 144

約数和(自身を含む): 6171092928

約数和(自身を除く): 4289426388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 277, 390, 468, 554, 585, 780, 831, 1108, 1170, 1385, 1662, 2340, 2493, 2770, 2903, 3324, 3601, 4155, 4986, 5540, 5806, 7202, 8310, 8709, 9972, 10803, 11612, 12465, 14404, 14515, 16620, 17418, 18005, 21606, 24930, 26127, 29030, 32409, 34836, 36010, 37739, 43212, 43545, 49860, 52254, 54015, 58060, 64818, 72020, 75478, 87090, 104508, 108030, 113217, 129636, 130635, 150956, 162045, 174180, 188695, 216060, 226434, 261270, 324090, 339651, 377390, 452868, 522540, 566085, 648180, 679302, 754780, 804131, 1132170, 1358604, 1608262, 1698255, 2264340, 2412393, 3216524, 3396510, 4020655, 4824786, 6793020, 7237179, 8041310, 9649572, 10453703, 12061965, 14474358, 16082620, 20907406, 24123930, 28948716, 31361109, 36185895, 41814812, 48247860, 52268515, 62722218, 72371790, 94083327, 104537030, 125444436, 144743580, 156805545, 188166654, 209074060, 313611090, 376333308, 470416635, 627222180, 940833270, 1881666540]

約数ペア:

[(1, 1881666540), (2, 940833270), (3, 627222180), (4, 470416635), (5, 376333308), (6, 313611090), (9, 209074060), (10, 188166654), (12, 156805545), (13, 144743580), (15, 125444436), (18, 104537030), (20, 94083327), (26, 72371790), (30, 62722218), (36, 52268515), (39, 48247860), (45, 41814812), (52, 36185895), (60, 31361109), (65, 28948716), (78, 24123930), (90, 20907406), (117, 16082620), (130, 14474358), (156, 12061965), (180, 10453703), (195, 9649572), (234, 8041310), (260, 7237179), (277, 6793020), (390, 4824786), (468, 4020655), (554, 3396510), (585, 3216524), (780, 2412393), (831, 2264340), (1108, 1698255), (1170, 1608262), (1385, 1358604), (1662, 1132170), (2340, 804131), (2493, 754780), (2770, 679302), (2903, 648180), (3324, 566085), (3601, 522540), (4155, 452868), (4986, 377390), (5540, 339651), (5806, 324090), (7202, 261270), (8310, 226434), (8709, 216060), (9972, 188695), (10803, 174180), (11612, 162045), (12465, 150956), (14404, 130635), (14515, 129636), (16620, 113217), (17418, 108030), (18005, 104508), (21606, 87090), (24930, 75478), (26127, 72020), (29030, 64818), (32409, 58060), (34836, 54015), (36010, 52254), (37739, 49860), (43212, 43545)]