81743220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 269894352

約数和(自身を除く): 188151132

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, 181, 193, 195, 234, 260, 362, 386, 390, 468, 543, 579, 585, 724, 772, 780, 905, 965, 1086, 1158, 1170, 1629, 1737, 1810, 1930, 2172, 2316, 2340, 2353, 2509, 2715, 2895, 3258, 3474, 3620, 3860, 4706, 5018, 5430, 5790, 6516, 6948, 7059, 7527, 8145, 8685, 9412, 10036, 10860, 11580, 11765, 12545, 14118, 15054, 16290, 17370, 21177, 22581, 23530, 25090, 28236, 30108, 32580, 34740, 34933, 35295, 37635, 42354, 45162, 47060, 50180, 69866, 70590, 75270, 84708, 90324, 104799, 105885, 112905, 139732, 141180, 150540, 174665, 209598, 211770, 225810, 314397, 349330, 419196, 423540, 451620, 454129, 523995, 628794, 698660, 908258, 1047990, 1257588, 1362387, 1571985, 1816516, 2095980, 2270645, 2724774, 3143970, 4087161, 4541290, 5449548, 6287940, 6811935, 8174322, 9082580, 13623870, 16348644, 20435805, 27247740, 40871610, 81743220]

約数ペア:

[(1, 81743220), (2, 40871610), (3, 27247740), (4, 20435805), (5, 16348644), (6, 13623870), (9, 9082580), (10, 8174322), (12, 6811935), (13, 6287940), (15, 5449548), (18, 4541290), (20, 4087161), (26, 3143970), (30, 2724774), (36, 2270645), (39, 2095980), (45, 1816516), (52, 1571985), (60, 1362387), (65, 1257588), (78, 1047990), (90, 908258), (117, 698660), (130, 628794), (156, 523995), (180, 454129), (181, 451620), (193, 423540), (195, 419196), (234, 349330), (260, 314397), (362, 225810), (386, 211770), (390, 209598), (468, 174665), (543, 150540), (579, 141180), (585, 139732), (724, 112905), (772, 105885), (780, 104799), (905, 90324), (965, 84708), (1086, 75270), (1158, 70590), (1170, 69866), (1629, 50180), (1737, 47060), (1810, 45162), (1930, 42354), (2172, 37635), (2316, 35295), (2340, 34933), (2353, 34740), (2509, 32580), (2715, 30108), (2895, 28236), (3258, 25090), (3474, 23530), (3620, 22581), (3860, 21177), (4706, 17370), (5018, 16290), (5430, 15054), (5790, 14118), (6516, 12545), (6948, 11765), (7059, 11580), (7527, 10860), (8145, 10036), (8685, 9412)]