205056540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87631}}^1$

素因数の和:87659

約数の個数: 72

約数和(自身を含む): 669859008

約数和(自身を除く): 464802468

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, 87631, 175262, 262893, 350524, 438155, 525786, 788679, 876310, 1051572, 1139203, 1314465, 1577358, 1752620, 2278406, 2628930, 3154716, 3417609, 3943395, 4556812, 5257860, 5696015, 6835218, 7886790, 10252827, 11392030, 13670436, 15773580, 17088045, 20505654, 22784060, 34176090, 41011308, 51264135, 68352180, 102528270, 205056540]

約数ペア:

[(1, 205056540), (2, 102528270), (3, 68352180), (4, 51264135), (5, 41011308), (6, 34176090), (9, 22784060), (10, 20505654), (12, 17088045), (13, 15773580), (15, 13670436), (18, 11392030), (20, 10252827), (26, 7886790), (30, 6835218), (36, 5696015), (39, 5257860), (45, 4556812), (52, 3943395), (60, 3417609), (65, 3154716), (78, 2628930), (90, 2278406), (117, 1752620), (130, 1577358), (156, 1314465), (180, 1139203), (195, 1051572), (234, 876310), (260, 788679), (390, 525786), (468, 438155), (585, 350524), (780, 262893), (1170, 175262), (2340, 87631)]