51561900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 216

約数和(自身を含む): 181082160

約数和(自身を除く): 129520260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 113, 117, 130, 135, 150, 156, 169, 180, 195, 225, 226, 234, 260, 270, 300, 325, 338, 339, 351, 390, 450, 452, 468, 507, 540, 565, 585, 650, 675, 676, 678, 702, 780, 845, 900, 975, 1014, 1017, 1130, 1170, 1300, 1350, 1356, 1404, 1469, 1521, 1690, 1695, 1755, 1950, 2028, 2034, 2260, 2340, 2535, 2700, 2825, 2925, 2938, 3042, 3051, 3380, 3390, 3510, 3900, 4068, 4225, 4407, 4563, 5070, 5085, 5650, 5850, 5876, 6084, 6102, 6780, 7020, 7345, 7605, 8450, 8475, 8775, 8814, 9126, 10140, 10170, 11300, 11700, 12204, 12675, 13221, 14690, 15210, 15255, 16900, 16950, 17550, 17628, 18252, 19097, 20340, 22035, 22815, 25350, 25425, 26442, 29380, 30420, 30510, 33900, 35100, 36725, 38025, 38194, 39663, 44070, 45630, 50700, 50850, 52884, 57291, 61020, 66105, 73450, 76050, 76275, 76388, 79326, 88140, 91260, 95485, 101700, 110175, 114075, 114582, 132210, 146900, 152100, 152550, 158652, 171873, 190970, 198315, 220350, 228150, 229164, 264420, 286455, 305100, 330525, 343746, 381940, 396630, 440700, 456300, 477425, 515619, 572910, 661050, 687492, 793260, 859365, 954850, 991575, 1031238, 1145820, 1322100, 1432275, 1718730, 1909700, 1983150, 2062476, 2578095, 2864550, 3437460, 3966300, 4296825, 5156190, 5729100, 8593650, 10312380, 12890475, 17187300, 25780950, 51561900]

約数ペア:

[(1, 51561900), (2, 25780950), (3, 17187300), (4, 12890475), (5, 10312380), (6, 8593650), (9, 5729100), (10, 5156190), (12, 4296825), (13, 3966300), (15, 3437460), (18, 2864550), (20, 2578095), (25, 2062476), (26, 1983150), (27, 1909700), (30, 1718730), (36, 1432275), (39, 1322100), (45, 1145820), (50, 1031238), (52, 991575), (54, 954850), (60, 859365), (65, 793260), (75, 687492), (78, 661050), (90, 572910), (100, 515619), (108, 477425), (113, 456300), (117, 440700), (130, 396630), (135, 381940), (150, 343746), (156, 330525), (169, 305100), (180, 286455), (195, 264420), (225, 229164), (226, 228150), (234, 220350), (260, 198315), (270, 190970), (300, 171873), (325, 158652), (338, 152550), (339, 152100), (351, 146900), (390, 132210), (450, 114582), (452, 114075), (468, 110175), (507, 101700), (540, 95485), (565, 91260), (585, 88140), (650, 79326), (675, 76388), (676, 76275), (678, 76050), (702, 73450), (780, 66105), (845, 61020), (900, 57291), (975, 52884), (1014, 50850), (1017, 50700), (1130, 45630), (1170, 44070), (1300, 39663), (1350, 38194), (1356, 38025), (1404, 36725), (1469, 35100), (1521, 33900), (1690, 30510), (1695, 30420), (1755, 29380), (1950, 26442), (2028, 25425), (2034, 25350), (2260, 22815), (2340, 22035), (2535, 20340), (2700, 19097), (2825, 18252), (2925, 17628), (2938, 17550), (3042, 16950), (3051, 16900), (3380, 15255), (3390, 15210), (3510, 14690), (3900, 13221), (4068, 12675), (4225, 12204), (4407, 11700), (4563, 11300), (5070, 10170), (5085, 10140), (5650, 9126), (5850, 8814), (5876, 8775), (6084, 8475), (6102, 8450), (6780, 7605), (7020, 7345)]