90018780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 283143168

約数和(自身を除く): 193124388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 41, 43, 46, 60, 69, 74, 82, 86, 92, 111, 115, 123, 129, 138, 148, 164, 172, 185, 205, 215, 222, 230, 246, 258, 276, 345, 370, 410, 430, 444, 460, 492, 516, 555, 615, 645, 690, 740, 820, 851, 860, 943, 989, 1110, 1230, 1290, 1380, 1517, 1591, 1702, 1763, 1886, 1978, 2220, 2460, 2553, 2580, 2829, 2967, 3034, 3182, 3404, 3526, 3772, 3956, 4255, 4551, 4715, 4773, 4945, 5106, 5289, 5658, 5934, 6068, 6364, 7052, 7585, 7955, 8510, 8815, 9102, 9430, 9546, 9890, 10212, 10578, 11316, 11868, 12765, 14145, 14835, 15170, 15910, 17020, 17630, 18204, 18860, 19092, 19780, 21156, 22755, 23865, 25530, 26445, 28290, 29670, 30340, 31820, 34891, 35260, 36593, 40549, 45510, 47730, 51060, 52890, 56580, 59340, 65231, 69782, 73186, 81098, 91020, 95460, 104673, 105780, 109779, 121647, 130462, 139564, 146372, 162196, 174455, 182965, 195693, 202745, 209346, 219558, 243294, 260924, 326155, 348910, 365930, 391386, 405490, 418692, 439116, 486588, 523365, 548895, 608235, 652310, 697820, 731860, 782772, 810980, 978465, 1046730, 1097790, 1216470, 1304620, 1500313, 1956930, 2093460, 2195580, 2432940, 3000626, 3913860, 4500939, 6001252, 7501565, 9001878, 15003130, 18003756, 22504695, 30006260, 45009390, 90018780]

約数ペア:

[(1, 90018780), (2, 45009390), (3, 30006260), (4, 22504695), (5, 18003756), (6, 15003130), (10, 9001878), (12, 7501565), (15, 6001252), (20, 4500939), (23, 3913860), (30, 3000626), (37, 2432940), (41, 2195580), (43, 2093460), (46, 1956930), (60, 1500313), (69, 1304620), (74, 1216470), (82, 1097790), (86, 1046730), (92, 978465), (111, 810980), (115, 782772), (123, 731860), (129, 697820), (138, 652310), (148, 608235), (164, 548895), (172, 523365), (185, 486588), (205, 439116), (215, 418692), (222, 405490), (230, 391386), (246, 365930), (258, 348910), (276, 326155), (345, 260924), (370, 243294), (410, 219558), (430, 209346), (444, 202745), (460, 195693), (492, 182965), (516, 174455), (555, 162196), (615, 146372), (645, 139564), (690, 130462), (740, 121647), (820, 109779), (851, 105780), (860, 104673), (943, 95460), (989, 91020), (1110, 81098), (1230, 73186), (1290, 69782), (1380, 65231), (1517, 59340), (1591, 56580), (1702, 52890), (1763, 51060), (1886, 47730), (1978, 45510), (2220, 40549), (2460, 36593), (2553, 35260), (2580, 34891), (2829, 31820), (2967, 30340), (3034, 29670), (3182, 28290), (3404, 26445), (3526, 25530), (3772, 23865), (3956, 22755), (4255, 21156), (4551, 19780), (4715, 19092), (4773, 18860), (4945, 18204), (5106, 17630), (5289, 17020), (5658, 15910), (5934, 15170), (6068, 14835), (6364, 14145), (7052, 12765), (7585, 11868), (7955, 11316), (8510, 10578), (8815, 10212), (9102, 9890), (9430, 9546)]