309621760

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 176

約数和(自身を含む): 870155136

約数和(自身を除く): 560533376

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, 512, 530, 560, 640, 652, 742, 815, 848, 896, 1024, 1060, 1120, 1141, 1280, 1304, 1484, 1630, 1696, 1792, 1855, 2120, 2240, 2282, 2560, 2608, 2968, 3260, 3392, 3584, 3710, 4240, 4480, 4564, 5120, 5216, 5705, 5936, 6520, 6784, 7168, 7420, 8480, 8639, 8960, 9128, 10432, 11410, 11872, 13040, 13568, 14840, 16960, 17278, 17920, 18256, 20864, 22820, 23744, 26080, 27136, 29680, 33920, 34556, 35840, 36512, 41728, 43195, 45640, 47488, 52160, 54272, 59360, 60473, 67840, 69112, 73024, 83456, 86390, 91280, 94976, 104320, 118720, 120946, 135680, 138224, 146048, 166912, 172780, 182560, 189952, 208640, 237440, 241892, 271360, 276448, 292096, 302365, 345560, 365120, 379904, 417280, 474880, 483784, 552896, 584192, 604730, 691120, 730240, 834560, 949760, 967568, 1105792, 1168384, 1209460, 1382240, 1460480, 1899520, 1935136, 2211584, 2418920, 2764480, 2920960, 3870272, 4423168, 4837840, 5528960, 5841920, 7740544, 8846336, 9675680, 11057920, 15481088, 19351360, 22115840, 30962176, 38702720, 44231680, 61924352, 77405440, 154810880, 309621760]

約数ペア:

[(1, 309621760), (2, 154810880), (4, 77405440), (5, 61924352), (7, 44231680), (8, 38702720), (10, 30962176), (14, 22115840), (16, 19351360), (20, 15481088), (28, 11057920), (32, 9675680), (35, 8846336), (40, 7740544), (53, 5841920), (56, 5528960), (64, 4837840), (70, 4423168), (80, 3870272), (106, 2920960), (112, 2764480), (128, 2418920), (140, 2211584), (160, 1935136), (163, 1899520), (212, 1460480), (224, 1382240), (256, 1209460), (265, 1168384), (280, 1105792), (320, 967568), (326, 949760), (371, 834560), (424, 730240), (448, 691120), (512, 604730), (530, 584192), (560, 552896), (640, 483784), (652, 474880), (742, 417280), (815, 379904), (848, 365120), (896, 345560), (1024, 302365), (1060, 292096), (1120, 276448), (1141, 271360), (1280, 241892), (1304, 237440), (1484, 208640), (1630, 189952), (1696, 182560), (1792, 172780), (1855, 166912), (2120, 146048), (2240, 138224), (2282, 135680), (2560, 120946), (2608, 118720), (2968, 104320), (3260, 94976), (3392, 91280), (3584, 86390), (3710, 83456), (4240, 73024), (4480, 69112), (4564, 67840), (5120, 60473), (5216, 59360), (5705, 54272), (5936, 52160), (6520, 47488), (6784, 45640), (7168, 43195), (7420, 41728), (8480, 36512), (8639, 35840), (8960, 34556), (9128, 33920), (10432, 29680), (11410, 27136), (11872, 26080), (13040, 23744), (13568, 22820), (14840, 20864), (16960, 18256), (17278, 17920)]