30467840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1831}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 78636768

約数和(自身を除く): 48168928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1831, 2080, 3328, 3662, 4160, 7324, 8320, 9155, 14648, 16640, 18310, 23803, 29296, 36620, 47606, 58592, 73240, 95212, 117184, 119015, 146480, 190424, 234368, 238030, 292960, 380848, 468736, 476060, 585920, 761696, 952120, 1171840, 1523392, 1904240, 2343680, 3046784, 3808480, 6093568, 7616960, 15233920, 30467840]

約数ペア:

[(1, 30467840), (2, 15233920), (4, 7616960), (5, 6093568), (8, 3808480), (10, 3046784), (13, 2343680), (16, 1904240), (20, 1523392), (26, 1171840), (32, 952120), (40, 761696), (52, 585920), (64, 476060), (65, 468736), (80, 380848), (104, 292960), (128, 238030), (130, 234368), (160, 190424), (208, 146480), (256, 119015), (260, 117184), (320, 95212), (416, 73240), (520, 58592), (640, 47606), (832, 36620), (1040, 29296), (1280, 23803), (1664, 18310), (1831, 16640), (2080, 14648), (3328, 9155), (3662, 8320), (4160, 7324)]