309665280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 160

約数和(自身を含む): 1007712288

約数和(自身を除く): 698047008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 512, 610, 640, 661, 732, 768, 915, 960, 976, 1220, 1280, 1322, 1464, 1536, 1830, 1920, 1952, 1983, 2440, 2560, 2644, 2928, 3305, 3660, 3840, 3904, 3966, 4880, 5288, 5856, 6610, 7320, 7680, 7808, 7932, 9760, 9915, 10576, 11712, 13220, 14640, 15616, 15864, 19520, 19830, 21152, 23424, 26440, 29280, 31232, 31728, 39040, 39660, 40321, 42304, 46848, 52880, 58560, 63456, 78080, 79320, 80642, 84608, 93696, 105760, 117120, 120963, 126912, 156160, 158640, 161284, 169216, 201605, 211520, 234240, 241926, 253824, 317280, 322568, 338432, 403210, 423040, 468480, 483852, 507648, 604815, 634560, 645136, 806420, 846080, 967704, 1015296, 1209630, 1269120, 1290272, 1612840, 1692160, 1935408, 2419260, 2538240, 2580544, 3225680, 3870816, 4838520, 5076480, 5161088, 6451360, 7741632, 9677040, 10322176, 12902720, 15483264, 19354080, 20644352, 25805440, 30966528, 38708160, 51610880, 61933056, 77416320, 103221760, 154832640, 309665280]

約数ペア:

[(1, 309665280), (2, 154832640), (3, 103221760), (4, 77416320), (5, 61933056), (6, 51610880), (8, 38708160), (10, 30966528), (12, 25805440), (15, 20644352), (16, 19354080), (20, 15483264), (24, 12902720), (30, 10322176), (32, 9677040), (40, 7741632), (48, 6451360), (60, 5161088), (61, 5076480), (64, 4838520), (80, 3870816), (96, 3225680), (120, 2580544), (122, 2538240), (128, 2419260), (160, 1935408), (183, 1692160), (192, 1612840), (240, 1290272), (244, 1269120), (256, 1209630), (305, 1015296), (320, 967704), (366, 846080), (384, 806420), (480, 645136), (488, 634560), (512, 604815), (610, 507648), (640, 483852), (661, 468480), (732, 423040), (768, 403210), (915, 338432), (960, 322568), (976, 317280), (1220, 253824), (1280, 241926), (1322, 234240), (1464, 211520), (1536, 201605), (1830, 169216), (1920, 161284), (1952, 158640), (1983, 156160), (2440, 126912), (2560, 120963), (2644, 117120), (2928, 105760), (3305, 93696), (3660, 84608), (3840, 80642), (3904, 79320), (3966, 78080), (4880, 63456), (5288, 58560), (5856, 52880), (6610, 46848), (7320, 42304), (7680, 40321), (7808, 39660), (7932, 39040), (9760, 31728), (9915, 31232), (10576, 29280), (11712, 26440), (13220, 23424), (14640, 21152), (15616, 19830), (15864, 19520)]