80441820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 263303040

約数和(自身を除く): 182861220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 547, 570, 645, 684, 774, 817, 855, 860, 1094, 1140, 1290, 1548, 1634, 1641, 1710, 1935, 2188, 2451, 2580, 2735, 3268, 3282, 3420, 3870, 4085, 4902, 4923, 5470, 6564, 7353, 7740, 8170, 8205, 9804, 9846, 10393, 10940, 12255, 14706, 16340, 16410, 19692, 20786, 23521, 24510, 24615, 29412, 31179, 32820, 36765, 41572, 47042, 49020, 49230, 51965, 62358, 70563, 73530, 93537, 94084, 98460, 103930, 117605, 124716, 141126, 147060, 155895, 187074, 207860, 211689, 235210, 282252, 311790, 352815, 374148, 423378, 446899, 467685, 470420, 623580, 705630, 846756, 893798, 935370, 1058445, 1340697, 1411260, 1787596, 1870740, 2116890, 2234495, 2681394, 4022091, 4233780, 4468990, 5362788, 6703485, 8044182, 8937980, 13406970, 16088364, 20110455, 26813940, 40220910, 80441820]

約数ペア:

[(1, 80441820), (2, 40220910), (3, 26813940), (4, 20110455), (5, 16088364), (6, 13406970), (9, 8937980), (10, 8044182), (12, 6703485), (15, 5362788), (18, 4468990), (19, 4233780), (20, 4022091), (30, 2681394), (36, 2234495), (38, 2116890), (43, 1870740), (45, 1787596), (57, 1411260), (60, 1340697), (76, 1058445), (86, 935370), (90, 893798), (95, 846756), (114, 705630), (129, 623580), (171, 470420), (172, 467685), (180, 446899), (190, 423378), (215, 374148), (228, 352815), (258, 311790), (285, 282252), (342, 235210), (380, 211689), (387, 207860), (430, 187074), (516, 155895), (547, 147060), (570, 141126), (645, 124716), (684, 117605), (774, 103930), (817, 98460), (855, 94084), (860, 93537), (1094, 73530), (1140, 70563), (1290, 62358), (1548, 51965), (1634, 49230), (1641, 49020), (1710, 47042), (1935, 41572), (2188, 36765), (2451, 32820), (2580, 31179), (2735, 29412), (3268, 24615), (3282, 24510), (3420, 23521), (3870, 20786), (4085, 19692), (4902, 16410), (4923, 16340), (5470, 14706), (6564, 12255), (7353, 10940), (7740, 10393), (8170, 9846), (8205, 9804)]