77405440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 217219968

約数和(自身を除く): 139814528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 163, 212, 224, 256, 265, 280, 320, 326, 371, 424, 448, 530, 560, 640, 652, 742, 815, 848, 896, 1060, 1120, 1141, 1280, 1304, 1484, 1630, 1696, 1792, 1855, 2120, 2240, 2282, 2608, 2968, 3260, 3392, 3710, 4240, 4480, 4564, 5216, 5705, 5936, 6520, 6784, 7420, 8480, 8639, 8960, 9128, 10432, 11410, 11872, 13040, 13568, 14840, 16960, 17278, 18256, 20864, 22820, 23744, 26080, 29680, 33920, 34556, 36512, 41728, 43195, 45640, 47488, 52160, 59360, 60473, 67840, 69112, 73024, 86390, 91280, 94976, 104320, 118720, 120946, 138224, 146048, 172780, 182560, 208640, 237440, 241892, 276448, 292096, 302365, 345560, 365120, 474880, 483784, 552896, 604730, 691120, 730240, 967568, 1105792, 1209460, 1382240, 1460480, 1935136, 2211584, 2418920, 2764480, 3870272, 4837840, 5528960, 7740544, 9675680, 11057920, 15481088, 19351360, 38702720, 77405440]

約数ペア:

[(1, 77405440), (2, 38702720), (4, 19351360), (5, 15481088), (7, 11057920), (8, 9675680), (10, 7740544), (14, 5528960), (16, 4837840), (20, 3870272), (28, 2764480), (32, 2418920), (35, 2211584), (40, 1935136), (53, 1460480), (56, 1382240), (64, 1209460), (70, 1105792), (80, 967568), (106, 730240), (112, 691120), (128, 604730), (140, 552896), (160, 483784), (163, 474880), (212, 365120), (224, 345560), (256, 302365), (265, 292096), (280, 276448), (320, 241892), (326, 237440), (371, 208640), (424, 182560), (448, 172780), (530, 146048), (560, 138224), (640, 120946), (652, 118720), (742, 104320), (815, 94976), (848, 91280), (896, 86390), (1060, 73024), (1120, 69112), (1141, 67840), (1280, 60473), (1304, 59360), (1484, 52160), (1630, 47488), (1696, 45640), (1792, 43195), (1855, 41728), (2120, 36512), (2240, 34556), (2282, 33920), (2608, 29680), (2968, 26080), (3260, 23744), (3392, 22820), (3710, 20864), (4240, 18256), (4480, 17278), (4564, 16960), (5216, 14840), (5705, 13568), (5936, 13040), (6520, 11872), (6784, 11410), (7420, 10432), (8480, 9128), (8639, 8960)]