253376280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 873400320

約数和(自身を除く): 620024040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 71, 72, 90, 92, 115, 120, 138, 142, 180, 184, 207, 213, 230, 276, 284, 345, 355, 360, 414, 426, 431, 460, 552, 568, 639, 690, 710, 828, 852, 862, 920, 1035, 1065, 1278, 1293, 1380, 1420, 1633, 1656, 1704, 1724, 2070, 2130, 2155, 2556, 2586, 2760, 2840, 3195, 3266, 3448, 3879, 4140, 4260, 4310, 4899, 5112, 5172, 6390, 6465, 6532, 7758, 8165, 8280, 8520, 8620, 9798, 9913, 10344, 12780, 12930, 13064, 14697, 15516, 16330, 17240, 19395, 19596, 19826, 24495, 25560, 25860, 29394, 29739, 30601, 31032, 32660, 38790, 39192, 39652, 48990, 49565, 51720, 58788, 59478, 61202, 65320, 73485, 77580, 79304, 89217, 91803, 97980, 99130, 117576, 118956, 122404, 146970, 148695, 153005, 155160, 178434, 183606, 195960, 198260, 237912, 244808, 275409, 293940, 297390, 306010, 356868, 367212, 396520, 446085, 459015, 550818, 587880, 594780, 612020, 703823, 713736, 734424, 892170, 918030, 1101636, 1189560, 1224040, 1377045, 1407646, 1784340, 1836060, 2111469, 2203272, 2754090, 2815292, 3519115, 3568680, 3672120, 4222938, 5508180, 5630584, 6334407, 7038230, 8445876, 10557345, 11016360, 12668814, 14076460, 16891752, 21114690, 25337628, 28152920, 31672035, 42229380, 50675256, 63344070, 84458760, 126688140, 253376280]

約数ペア:

[(1, 253376280), (2, 126688140), (3, 84458760), (4, 63344070), (5, 50675256), (6, 42229380), (8, 31672035), (9, 28152920), (10, 25337628), (12, 21114690), (15, 16891752), (18, 14076460), (20, 12668814), (23, 11016360), (24, 10557345), (30, 8445876), (36, 7038230), (40, 6334407), (45, 5630584), (46, 5508180), (60, 4222938), (69, 3672120), (71, 3568680), (72, 3519115), (90, 2815292), (92, 2754090), (115, 2203272), (120, 2111469), (138, 1836060), (142, 1784340), (180, 1407646), (184, 1377045), (207, 1224040), (213, 1189560), (230, 1101636), (276, 918030), (284, 892170), (345, 734424), (355, 713736), (360, 703823), (414, 612020), (426, 594780), (431, 587880), (460, 550818), (552, 459015), (568, 446085), (639, 396520), (690, 367212), (710, 356868), (828, 306010), (852, 297390), (862, 293940), (920, 275409), (1035, 244808), (1065, 237912), (1278, 198260), (1293, 195960), (1380, 183606), (1420, 178434), (1633, 155160), (1656, 153005), (1704, 148695), (1724, 146970), (2070, 122404), (2130, 118956), (2155, 117576), (2556, 99130), (2586, 97980), (2760, 91803), (2840, 89217), (3195, 79304), (3266, 77580), (3448, 73485), (3879, 65320), (4140, 61202), (4260, 59478), (4310, 58788), (4899, 51720), (5112, 49565), (5172, 48990), (6390, 39652), (6465, 39192), (6532, 38790), (7758, 32660), (8165, 31032), (8280, 30601), (8520, 29739), (8620, 29394), (9798, 25860), (9913, 25560), (10344, 24495), (12780, 19826), (12930, 19596), (13064, 19395), (14697, 17240), (15516, 16330)]