305581640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 879076800

約数和(自身を除く): 573495160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 67, 70, 91, 98, 104, 130, 134, 140, 179, 182, 196, 245, 260, 268, 280, 335, 358, 364, 392, 455, 469, 490, 520, 536, 637, 670, 716, 728, 871, 895, 910, 938, 980, 1253, 1274, 1340, 1432, 1742, 1790, 1820, 1876, 1960, 2327, 2345, 2506, 2548, 2680, 3185, 3283, 3484, 3580, 3640, 3752, 4355, 4654, 4690, 5012, 5096, 6097, 6265, 6370, 6566, 6968, 7160, 8710, 8771, 9308, 9380, 10024, 11635, 11993, 12194, 12530, 12740, 13132, 16289, 16415, 17420, 17542, 18616, 18760, 23270, 23986, 24388, 25060, 25480, 26264, 30485, 32578, 32830, 34840, 35084, 42679, 43855, 46540, 47972, 48776, 50120, 59965, 60970, 65156, 65660, 70168, 81445, 83951, 85358, 87710, 93080, 95944, 114023, 119930, 121940, 130312, 131320, 155909, 162890, 167902, 170716, 175420, 213395, 228046, 239860, 243880, 311818, 325780, 335804, 341432, 350840, 419755, 426790, 456092, 479720, 570115, 587657, 623636, 651560, 671608, 779545, 839510, 853580, 912184, 1091363, 1140230, 1175314, 1247272, 1559090, 1679020, 1707160, 2182726, 2280460, 2350628, 2938285, 3118180, 3358040, 4365452, 4560920, 4701256, 5456815, 5876570, 6236360, 7639541, 8730904, 10913630, 11753140, 15279082, 21827260, 23506280, 30558164, 38197705, 43654520, 61116328, 76395410, 152790820, 305581640]

約数ペア:

[(1, 305581640), (2, 152790820), (4, 76395410), (5, 61116328), (7, 43654520), (8, 38197705), (10, 30558164), (13, 23506280), (14, 21827260), (20, 15279082), (26, 11753140), (28, 10913630), (35, 8730904), (40, 7639541), (49, 6236360), (52, 5876570), (56, 5456815), (65, 4701256), (67, 4560920), (70, 4365452), (91, 3358040), (98, 3118180), (104, 2938285), (130, 2350628), (134, 2280460), (140, 2182726), (179, 1707160), (182, 1679020), (196, 1559090), (245, 1247272), (260, 1175314), (268, 1140230), (280, 1091363), (335, 912184), (358, 853580), (364, 839510), (392, 779545), (455, 671608), (469, 651560), (490, 623636), (520, 587657), (536, 570115), (637, 479720), (670, 456092), (716, 426790), (728, 419755), (871, 350840), (895, 341432), (910, 335804), (938, 325780), (980, 311818), (1253, 243880), (1274, 239860), (1340, 228046), (1432, 213395), (1742, 175420), (1790, 170716), (1820, 167902), (1876, 162890), (1960, 155909), (2327, 131320), (2345, 130312), (2506, 121940), (2548, 119930), (2680, 114023), (3185, 95944), (3283, 93080), (3484, 87710), (3580, 85358), (3640, 83951), (3752, 81445), (4355, 70168), (4654, 65660), (4690, 65156), (5012, 60970), (5096, 59965), (6097, 50120), (6265, 48776), (6370, 47972), (6566, 46540), (6968, 43855), (7160, 42679), (8710, 35084), (8771, 34840), (9308, 32830), (9380, 32578), (10024, 30485), (11635, 26264), (11993, 25480), (12194, 25060), (12530, 24388), (12740, 23986), (13132, 23270), (16289, 18760), (16415, 18616), (17420, 17542)]