247480740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105761}}^1$

素因数の和:105789

約数の個数: 72

約数和(自身を含む): 808444728

約数和(自身を除く): 560963988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 105761, 211522, 317283, 423044, 528805, 634566, 951849, 1057610, 1269132, 1374893, 1586415, 1903698, 2115220, 2749786, 3172830, 3807396, 4124679, 4759245, 5499572, 6345660, 6874465, 8249358, 9518490, 12374037, 13748930, 16498716, 19036980, 20623395, 24748074, 27497860, 41246790, 49496148, 61870185, 82493580, 123740370, 247480740]

約数ペア:

[(1, 247480740), (2, 123740370), (3, 82493580), (4, 61870185), (5, 49496148), (6, 41246790), (9, 27497860), (10, 24748074), (12, 20623395), (13, 19036980), (15, 16498716), (18, 13748930), (20, 12374037), (26, 9518490), (30, 8249358), (36, 6874465), (39, 6345660), (45, 5499572), (52, 4759245), (60, 4124679), (65, 3807396), (78, 3172830), (90, 2749786), (117, 2115220), (130, 1903698), (156, 1586415), (180, 1374893), (195, 1269132), (234, 1057610), (260, 951849), (390, 634566), (468, 528805), (585, 423044), (780, 317283), (1170, 211522), (2340, 105761)]