77408820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 255095568

約数和(自身を除く): 177686748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 492, 510, 612, 615, 617, 697, 738, 765, 820, 1020, 1230, 1234, 1394, 1476, 1530, 1845, 1851, 2091, 2460, 2468, 2788, 3060, 3085, 3485, 3690, 3702, 4182, 5553, 6170, 6273, 6970, 7380, 7404, 8364, 9255, 10455, 10489, 11106, 12340, 12546, 13940, 18510, 20910, 20978, 22212, 25092, 25297, 27765, 31365, 31467, 37020, 41820, 41956, 50594, 52445, 55530, 62730, 62934, 75891, 94401, 101188, 104890, 111060, 125460, 125868, 126485, 151782, 157335, 188802, 209780, 227673, 252970, 303564, 314670, 377604, 379455, 430049, 455346, 472005, 505940, 629340, 758910, 860098, 910692, 944010, 1138365, 1290147, 1517820, 1720196, 1888020, 2150245, 2276730, 2580294, 3870441, 4300490, 4553460, 5160588, 6450735, 7740882, 8600980, 12901470, 15481764, 19352205, 25802940, 38704410, 77408820]

約数ペア:

[(1, 77408820), (2, 38704410), (3, 25802940), (4, 19352205), (5, 15481764), (6, 12901470), (9, 8600980), (10, 7740882), (12, 6450735), (15, 5160588), (17, 4553460), (18, 4300490), (20, 3870441), (30, 2580294), (34, 2276730), (36, 2150245), (41, 1888020), (45, 1720196), (51, 1517820), (60, 1290147), (68, 1138365), (82, 944010), (85, 910692), (90, 860098), (102, 758910), (123, 629340), (153, 505940), (164, 472005), (170, 455346), (180, 430049), (204, 379455), (205, 377604), (246, 314670), (255, 303564), (306, 252970), (340, 227673), (369, 209780), (410, 188802), (492, 157335), (510, 151782), (612, 126485), (615, 125868), (617, 125460), (697, 111060), (738, 104890), (765, 101188), (820, 94401), (1020, 75891), (1230, 62934), (1234, 62730), (1394, 55530), (1476, 52445), (1530, 50594), (1845, 41956), (1851, 41820), (2091, 37020), (2460, 31467), (2468, 31365), (2788, 27765), (3060, 25297), (3085, 25092), (3485, 22212), (3690, 20978), (3702, 20910), (4182, 18510), (5553, 13940), (6170, 12546), (6273, 12340), (6970, 11106), (7380, 10489), (7404, 10455), (8364, 9255)]