12472740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 45601920

約数和(自身を除く): 33129180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 521, 532, 570, 630, 665, 684, 798, 855, 1042, 1140, 1197, 1260, 1330, 1563, 1596, 1710, 1995, 2084, 2394, 2605, 2660, 3126, 3420, 3647, 3990, 4689, 4788, 5210, 5985, 6252, 7294, 7815, 7980, 9378, 9899, 10420, 10941, 11970, 14588, 15630, 18235, 18756, 19798, 21882, 23445, 23940, 29697, 31260, 32823, 36470, 39596, 43764, 46890, 49495, 54705, 59394, 65646, 69293, 72940, 89091, 93780, 98990, 109410, 118788, 131292, 138586, 148485, 164115, 178182, 197980, 207879, 218820, 277172, 296970, 328230, 346465, 356364, 415758, 445455, 593940, 623637, 656460, 692930, 831516, 890910, 1039395, 1247274, 1385860, 1781820, 2078790, 2494548, 3118185, 4157580, 6236370, 12472740]

約数ペア:

[(1, 12472740), (2, 6236370), (3, 4157580), (4, 3118185), (5, 2494548), (6, 2078790), (7, 1781820), (9, 1385860), (10, 1247274), (12, 1039395), (14, 890910), (15, 831516), (18, 692930), (19, 656460), (20, 623637), (21, 593940), (28, 445455), (30, 415758), (35, 356364), (36, 346465), (38, 328230), (42, 296970), (45, 277172), (57, 218820), (60, 207879), (63, 197980), (70, 178182), (76, 164115), (84, 148485), (90, 138586), (95, 131292), (105, 118788), (114, 109410), (126, 98990), (133, 93780), (140, 89091), (171, 72940), (180, 69293), (190, 65646), (210, 59394), (228, 54705), (252, 49495), (266, 46890), (285, 43764), (315, 39596), (342, 36470), (380, 32823), (399, 31260), (420, 29697), (521, 23940), (532, 23445), (570, 21882), (630, 19798), (665, 18756), (684, 18235), (798, 15630), (855, 14588), (1042, 11970), (1140, 10941), (1197, 10420), (1260, 9899), (1330, 9378), (1563, 7980), (1596, 7815), (1710, 7294), (1995, 6252), (2084, 5985), (2394, 5210), (2605, 4788), (2660, 4689), (3126, 3990), (3420, 3647)]