243998820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 144

約数和(自身を含む): 803078640

約数和(自身を除く): 559079820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 617, 676, 780, 845, 1014, 1170, 1234, 1521, 1690, 1851, 2028, 2197, 2340, 2468, 2535, 3042, 3085, 3380, 3702, 4394, 5070, 5553, 6084, 6170, 6591, 7404, 7605, 8021, 8788, 9255, 10140, 10985, 11106, 12340, 13182, 15210, 16042, 18510, 19773, 21970, 22212, 24063, 26364, 27765, 30420, 32084, 32955, 37020, 39546, 40105, 43940, 48126, 55530, 65910, 72189, 79092, 80210, 96252, 98865, 104273, 111060, 120315, 131820, 144378, 160420, 197730, 208546, 240630, 288756, 312819, 360945, 395460, 417092, 481260, 521365, 625638, 721890, 938457, 1042730, 1251276, 1355549, 1443780, 1564095, 1876914, 2085460, 2711098, 3128190, 3753828, 4066647, 4692285, 5422196, 6256380, 6777745, 8133294, 9384570, 12199941, 13555490, 16266588, 18769140, 20333235, 24399882, 27110980, 40666470, 48799764, 60999705, 81332940, 121999410, 243998820]

約数ペア:

[(1, 243998820), (2, 121999410), (3, 81332940), (4, 60999705), (5, 48799764), (6, 40666470), (9, 27110980), (10, 24399882), (12, 20333235), (13, 18769140), (15, 16266588), (18, 13555490), (20, 12199941), (26, 9384570), (30, 8133294), (36, 6777745), (39, 6256380), (45, 5422196), (52, 4692285), (60, 4066647), (65, 3753828), (78, 3128190), (90, 2711098), (117, 2085460), (130, 1876914), (156, 1564095), (169, 1443780), (180, 1355549), (195, 1251276), (234, 1042730), (260, 938457), (338, 721890), (390, 625638), (468, 521365), (507, 481260), (585, 417092), (617, 395460), (676, 360945), (780, 312819), (845, 288756), (1014, 240630), (1170, 208546), (1234, 197730), (1521, 160420), (1690, 144378), (1851, 131820), (2028, 120315), (2197, 111060), (2340, 104273), (2468, 98865), (2535, 96252), (3042, 80210), (3085, 79092), (3380, 72189), (3702, 65910), (4394, 55530), (5070, 48126), (5553, 43940), (6084, 40105), (6170, 39546), (6591, 37020), (7404, 32955), (7605, 32084), (8021, 30420), (8788, 27765), (9255, 26364), (10140, 24063), (10985, 22212), (11106, 21970), (12340, 19773), (13182, 18510), (15210, 16042)]