199397640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127819}}^1$

素因数の和:127846

約数の個数: 64

約数和(自身を含む): 644212800

約数和(自身を除く): 444815160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127819, 255638, 383457, 511276, 639095, 766914, 1022552, 1278190, 1533828, 1661647, 1917285, 2556380, 3067656, 3323294, 3834570, 4984941, 5112760, 6646588, 7669140, 8308235, 9969882, 13293176, 15338280, 16616470, 19939764, 24924705, 33232940, 39879528, 49849410, 66465880, 99698820, 199397640]

約数ペア:

[(1, 199397640), (2, 99698820), (3, 66465880), (4, 49849410), (5, 39879528), (6, 33232940), (8, 24924705), (10, 19939764), (12, 16616470), (13, 15338280), (15, 13293176), (20, 9969882), (24, 8308235), (26, 7669140), (30, 6646588), (39, 5112760), (40, 4984941), (52, 3834570), (60, 3323294), (65, 3067656), (78, 2556380), (104, 1917285), (120, 1661647), (130, 1533828), (156, 1278190), (195, 1022552), (260, 766914), (312, 639095), (390, 511276), (520, 383457), (780, 255638), (1560, 127819)]