77578020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 266999040

約数和(自身を除く): 189421020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 86, 90, 108, 117, 129, 130, 135, 156, 172, 180, 195, 215, 234, 257, 258, 260, 270, 351, 387, 390, 430, 468, 514, 516, 540, 559, 585, 645, 702, 771, 774, 780, 860, 1028, 1118, 1161, 1170, 1285, 1290, 1404, 1542, 1548, 1677, 1755, 1935, 2236, 2313, 2322, 2340, 2570, 2580, 2795, 3084, 3341, 3354, 3510, 3855, 3870, 4626, 4644, 5031, 5140, 5590, 5805, 6682, 6708, 6939, 7020, 7710, 7740, 8385, 9252, 10023, 10062, 11051, 11180, 11565, 11610, 13364, 13878, 15093, 15420, 16705, 16770, 20046, 20124, 22102, 23130, 23220, 25155, 27756, 30069, 30186, 33153, 33410, 33540, 34695, 40092, 44204, 46260, 50115, 50310, 55255, 60138, 60372, 66306, 66820, 69390, 75465, 90207, 99459, 100230, 100620, 110510, 120276, 132612, 138780, 143663, 150345, 150930, 165765, 180414, 198918, 200460, 221020, 287326, 298377, 300690, 301860, 331530, 360828, 397836, 430989, 451035, 497295, 574652, 596754, 601380, 663060, 718315, 861978, 902070, 994590, 1193508, 1292967, 1436630, 1491885, 1723956, 1804140, 1989180, 2154945, 2585934, 2873260, 2983770, 3878901, 4309890, 5171868, 5967540, 6464835, 7757802, 8619780, 12929670, 15515604, 19394505, 25859340, 38789010, 77578020]

約数ペア:

[(1, 77578020), (2, 38789010), (3, 25859340), (4, 19394505), (5, 15515604), (6, 12929670), (9, 8619780), (10, 7757802), (12, 6464835), (13, 5967540), (15, 5171868), (18, 4309890), (20, 3878901), (26, 2983770), (27, 2873260), (30, 2585934), (36, 2154945), (39, 1989180), (43, 1804140), (45, 1723956), (52, 1491885), (54, 1436630), (60, 1292967), (65, 1193508), (78, 994590), (86, 902070), (90, 861978), (108, 718315), (117, 663060), (129, 601380), (130, 596754), (135, 574652), (156, 497295), (172, 451035), (180, 430989), (195, 397836), (215, 360828), (234, 331530), (257, 301860), (258, 300690), (260, 298377), (270, 287326), (351, 221020), (387, 200460), (390, 198918), (430, 180414), (468, 165765), (514, 150930), (516, 150345), (540, 143663), (559, 138780), (585, 132612), (645, 120276), (702, 110510), (771, 100620), (774, 100230), (780, 99459), (860, 90207), (1028, 75465), (1118, 69390), (1161, 66820), (1170, 66306), (1285, 60372), (1290, 60138), (1404, 55255), (1542, 50310), (1548, 50115), (1677, 46260), (1755, 44204), (1935, 40092), (2236, 34695), (2313, 33540), (2322, 33410), (2340, 33153), (2570, 30186), (2580, 30069), (2795, 27756), (3084, 25155), (3341, 23220), (3354, 23130), (3510, 22102), (3855, 20124), (3870, 20046), (4626, 16770), (4644, 16705), (5031, 15420), (5140, 15093), (5590, 13878), (5805, 13364), (6682, 11610), (6708, 11565), (6939, 11180), (7020, 11051), (7710, 10062), (7740, 10023), (8385, 9252)]