305761920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1162

約数の個数: 128

約数和(自身を含む): 981599040

約数和(自身を除く): 675837120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 163, 192, 240, 320, 326, 384, 480, 489, 640, 652, 815, 960, 977, 978, 1304, 1630, 1920, 1954, 1956, 2445, 2608, 2931, 3260, 3908, 3912, 4885, 4890, 5216, 5862, 6520, 7816, 7824, 9770, 9780, 10432, 11724, 13040, 14655, 15632, 15648, 19540, 19560, 20864, 23448, 26080, 29310, 31264, 31296, 39080, 39120, 46896, 52160, 58620, 62528, 62592, 78160, 78240, 93792, 104320, 117240, 125056, 156320, 156480, 159251, 187584, 234480, 312640, 312960, 318502, 375168, 468960, 477753, 625280, 637004, 796255, 937920, 955506, 1274008, 1592510, 1875840, 1911012, 2388765, 2548016, 3185020, 3822024, 4777530, 5096032, 6370040, 7644048, 9555060, 10192064, 12740080, 15288096, 19110120, 20384128, 25480160, 30576192, 38220240, 50960320, 61152384, 76440480, 101920640, 152880960, 305761920]

約数ペア:

[(1, 305761920), (2, 152880960), (3, 101920640), (4, 76440480), (5, 61152384), (6, 50960320), (8, 38220240), (10, 30576192), (12, 25480160), (15, 20384128), (16, 19110120), (20, 15288096), (24, 12740080), (30, 10192064), (32, 9555060), (40, 7644048), (48, 6370040), (60, 5096032), (64, 4777530), (80, 3822024), (96, 3185020), (120, 2548016), (128, 2388765), (160, 1911012), (163, 1875840), (192, 1592510), (240, 1274008), (320, 955506), (326, 937920), (384, 796255), (480, 637004), (489, 625280), (640, 477753), (652, 468960), (815, 375168), (960, 318502), (977, 312960), (978, 312640), (1304, 234480), (1630, 187584), (1920, 159251), (1954, 156480), (1956, 156320), (2445, 125056), (2608, 117240), (2931, 104320), (3260, 93792), (3908, 78240), (3912, 78160), (4885, 62592), (4890, 62528), (5216, 58620), (5862, 52160), (6520, 46896), (7816, 39120), (7824, 39080), (9770, 31296), (9780, 31264), (10432, 29310), (11724, 26080), (13040, 23448), (14655, 20864), (15632, 19560), (15648, 19540)]