1649201840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{144161}}^1$

素因数の和:144198

約数の個数: 80

約数和(自身を含む): 4504774176

約数和(自身を除く): 2855572336

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 144161, 288322, 576644, 720805, 1153288, 1441610, 1585771, 1874093, 2306576, 2883220, 3171542, 3748186, 5766440, 6343084, 7496372, 7928855, 9370465, 11532880, 12686168, 14992744, 15857710, 18740930, 20615023, 25372336, 29985488, 31715420, 37481860, 41230046, 63430840, 74963720, 82460092, 103075115, 126861680, 149927440, 164920184, 206150230, 329840368, 412300460, 824600920, 1649201840]

約数ペア:

[(1, 1649201840), (2, 824600920), (4, 412300460), (5, 329840368), (8, 206150230), (10, 164920184), (11, 149927440), (13, 126861680), (16, 103075115), (20, 82460092), (22, 74963720), (26, 63430840), (40, 41230046), (44, 37481860), (52, 31715420), (55, 29985488), (65, 25372336), (80, 20615023), (88, 18740930), (104, 15857710), (110, 14992744), (130, 12686168), (143, 11532880), (176, 9370465), (208, 7928855), (220, 7496372), (260, 6343084), (286, 5766440), (440, 3748186), (520, 3171542), (572, 2883220), (715, 2306576), (880, 1874093), (1040, 1585771), (1144, 1441610), (1430, 1153288), (2288, 720805), (2860, 576644), (5720, 288322), (11440, 144161)]