123953220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 404974080

約数和(自身を除く): 281020860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 61, 71, 90, 106, 108, 122, 135, 142, 159, 180, 183, 212, 213, 244, 265, 270, 284, 305, 318, 355, 366, 426, 477, 530, 540, 549, 610, 636, 639, 710, 732, 795, 852, 915, 954, 1060, 1065, 1098, 1220, 1278, 1420, 1431, 1590, 1647, 1830, 1908, 1917, 2130, 2196, 2385, 2556, 2745, 2862, 3180, 3195, 3233, 3294, 3660, 3763, 3834, 4260, 4331, 4770, 5490, 5724, 6390, 6466, 6588, 7155, 7526, 7668, 8235, 8662, 9540, 9585, 9699, 10980, 11289, 12780, 12932, 12993, 14310, 15052, 16165, 16470, 17324, 18815, 19170, 19398, 21655, 22578, 25986, 28620, 29097, 32330, 32940, 33867, 37630, 38340, 38796, 38979, 43310, 45156, 48495, 51972, 56445, 58194, 64660, 64965, 67734, 75260, 77958, 86620, 87291, 96990, 101601, 112890, 116388, 116937, 129930, 135468, 145485, 155916, 169335, 174582, 193980, 194895, 203202, 225780, 229543, 233874, 259860, 290970, 338670, 349164, 389790, 406404, 436455, 459086, 467748, 508005, 581940, 584685, 677340, 688629, 779580, 872910, 918172, 1016010, 1147715, 1169370, 1377258, 1745820, 2032020, 2065887, 2295430, 2338740, 2754516, 3443145, 4131774, 4590860, 6197661, 6886290, 8263548, 10329435, 12395322, 13772580, 20658870, 24790644, 30988305, 41317740, 61976610, 123953220]

約数ペア:

[(1, 123953220), (2, 61976610), (3, 41317740), (4, 30988305), (5, 24790644), (6, 20658870), (9, 13772580), (10, 12395322), (12, 10329435), (15, 8263548), (18, 6886290), (20, 6197661), (27, 4590860), (30, 4131774), (36, 3443145), (45, 2754516), (53, 2338740), (54, 2295430), (60, 2065887), (61, 2032020), (71, 1745820), (90, 1377258), (106, 1169370), (108, 1147715), (122, 1016010), (135, 918172), (142, 872910), (159, 779580), (180, 688629), (183, 677340), (212, 584685), (213, 581940), (244, 508005), (265, 467748), (270, 459086), (284, 436455), (305, 406404), (318, 389790), (355, 349164), (366, 338670), (426, 290970), (477, 259860), (530, 233874), (540, 229543), (549, 225780), (610, 203202), (636, 194895), (639, 193980), (710, 174582), (732, 169335), (795, 155916), (852, 145485), (915, 135468), (954, 129930), (1060, 116937), (1065, 116388), (1098, 112890), (1220, 101601), (1278, 96990), (1420, 87291), (1431, 86620), (1590, 77958), (1647, 75260), (1830, 67734), (1908, 64965), (1917, 64660), (2130, 58194), (2196, 56445), (2385, 51972), (2556, 48495), (2745, 45156), (2862, 43310), (3180, 38979), (3195, 38796), (3233, 38340), (3294, 37630), (3660, 33867), (3763, 32940), (3834, 32330), (4260, 29097), (4331, 28620), (4770, 25986), (5490, 22578), (5724, 21655), (6390, 19398), (6466, 19170), (6588, 18815), (7155, 17324), (7526, 16470), (7668, 16165), (8235, 15052), (8662, 14310), (9540, 12993), (9585, 12932), (9699, 12780), (10980, 11289)]