18215340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 60686304

約数和(自身を除く): 42470964

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 193, 195, 220, 242, 260, 286, 330, 363, 386, 390, 429, 484, 572, 579, 605, 660, 715, 726, 772, 780, 858, 965, 1158, 1210, 1430, 1452, 1573, 1716, 1815, 1930, 2123, 2145, 2316, 2420, 2509, 2860, 2895, 3146, 3630, 3860, 4246, 4290, 4719, 5018, 5790, 6292, 6369, 7260, 7527, 7865, 8492, 8580, 9438, 10036, 10615, 11580, 12545, 12738, 15054, 15730, 18876, 21230, 23353, 23595, 25090, 25476, 27599, 30108, 31460, 31845, 37635, 42460, 46706, 47190, 50180, 55198, 63690, 70059, 75270, 82797, 93412, 94380, 110396, 116765, 127380, 137995, 140118, 150540, 165594, 233530, 275990, 280236, 303589, 331188, 350295, 413985, 467060, 551980, 607178, 700590, 827970, 910767, 1214356, 1401180, 1517945, 1655940, 1821534, 3035890, 3643068, 4553835, 6071780, 9107670, 18215340]

約数ペア:

[(1, 18215340), (2, 9107670), (3, 6071780), (4, 4553835), (5, 3643068), (6, 3035890), (10, 1821534), (11, 1655940), (12, 1517945), (13, 1401180), (15, 1214356), (20, 910767), (22, 827970), (26, 700590), (30, 607178), (33, 551980), (39, 467060), (44, 413985), (52, 350295), (55, 331188), (60, 303589), (65, 280236), (66, 275990), (78, 233530), (110, 165594), (121, 150540), (130, 140118), (132, 137995), (143, 127380), (156, 116765), (165, 110396), (193, 94380), (195, 93412), (220, 82797), (242, 75270), (260, 70059), (286, 63690), (330, 55198), (363, 50180), (386, 47190), (390, 46706), (429, 42460), (484, 37635), (572, 31845), (579, 31460), (605, 30108), (660, 27599), (715, 25476), (726, 25090), (772, 23595), (780, 23353), (858, 21230), (965, 18876), (1158, 15730), (1210, 15054), (1430, 12738), (1452, 12545), (1573, 11580), (1716, 10615), (1815, 10036), (1930, 9438), (2123, 8580), (2145, 8492), (2316, 7865), (2420, 7527), (2509, 7260), (2860, 6369), (2895, 6292), (3146, 5790), (3630, 5018), (3860, 4719), (4246, 4290)]