77120820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 270536448

約数和(自身を除く): 193415628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 631, 679, 873, 970, 1164, 1260, 1262, 1358, 1455, 1746, 1893, 1940, 2037, 2524, 2716, 2910, 3155, 3395, 3492, 3786, 4074, 4365, 4417, 5679, 5820, 6111, 6310, 6790, 7572, 8148, 8730, 8834, 9465, 10185, 11358, 12222, 12620, 13251, 13580, 17460, 17668, 18930, 20370, 22085, 22716, 24444, 26502, 28395, 30555, 37860, 39753, 40740, 44170, 53004, 56790, 61110, 61207, 66255, 79506, 88340, 113580, 122220, 122414, 132510, 159012, 183621, 198765, 244828, 265020, 306035, 367242, 397530, 428449, 550863, 612070, 734484, 795060, 856898, 918105, 1101726, 1224140, 1285347, 1713796, 1836210, 2142245, 2203452, 2570694, 2754315, 3672420, 3856041, 4284490, 5141388, 5508630, 6426735, 7712082, 8568980, 11017260, 12853470, 15424164, 19280205, 25706940, 38560410, 77120820]

約数ペア:

[(1, 77120820), (2, 38560410), (3, 25706940), (4, 19280205), (5, 15424164), (6, 12853470), (7, 11017260), (9, 8568980), (10, 7712082), (12, 6426735), (14, 5508630), (15, 5141388), (18, 4284490), (20, 3856041), (21, 3672420), (28, 2754315), (30, 2570694), (35, 2203452), (36, 2142245), (42, 1836210), (45, 1713796), (60, 1285347), (63, 1224140), (70, 1101726), (84, 918105), (90, 856898), (97, 795060), (105, 734484), (126, 612070), (140, 550863), (180, 428449), (194, 397530), (210, 367242), (252, 306035), (291, 265020), (315, 244828), (388, 198765), (420, 183621), (485, 159012), (582, 132510), (630, 122414), (631, 122220), (679, 113580), (873, 88340), (970, 79506), (1164, 66255), (1260, 61207), (1262, 61110), (1358, 56790), (1455, 53004), (1746, 44170), (1893, 40740), (1940, 39753), (2037, 37860), (2524, 30555), (2716, 28395), (2910, 26502), (3155, 24444), (3395, 22716), (3492, 22085), (3786, 20370), (4074, 18930), (4365, 17668), (4417, 17460), (5679, 13580), (5820, 13251), (6111, 12620), (6310, 12222), (6790, 11358), (7572, 10185), (8148, 9465), (8730, 8834)]