320978970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4861

約数の個数: 128

約数和(自身を含む): 970502400

約数和(自身を除く): 649523430

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 494, 513, 570, 585, 702, 741, 855, 1026, 1170, 1235, 1482, 1710, 1755, 2223, 2470, 2565, 3510, 3705, 4446, 4813, 5130, 6669, 7410, 9626, 11115, 13338, 14439, 22230, 24065, 28878, 33345, 43317, 48130, 62569, 66690, 72195, 86634, 91447, 125138, 129951, 144390, 182894, 187707, 216585, 259902, 274341, 312845, 375414, 433170, 457235, 548682, 563121, 625690, 649755, 823023, 914470, 938535, 1126242, 1188811, 1299510, 1371705, 1646046, 1689363, 1877070, 2377622, 2469069, 2743410, 2815605, 3378726, 3566433, 4115115, 4938138, 5631210, 5944055, 7132866, 8230230, 8446815, 10699299, 11888110, 12345345, 16893630, 17832165, 21398598, 24690690, 32097897, 35664330, 53496495, 64195794, 106992990, 160489485, 320978970]

約数ペア:

[(1, 320978970), (2, 160489485), (3, 106992990), (5, 64195794), (6, 53496495), (9, 35664330), (10, 32097897), (13, 24690690), (15, 21398598), (18, 17832165), (19, 16893630), (26, 12345345), (27, 11888110), (30, 10699299), (38, 8446815), (39, 8230230), (45, 7132866), (54, 5944055), (57, 5631210), (65, 4938138), (78, 4115115), (90, 3566433), (95, 3378726), (114, 2815605), (117, 2743410), (130, 2469069), (135, 2377622), (171, 1877070), (190, 1689363), (195, 1646046), (234, 1371705), (247, 1299510), (270, 1188811), (285, 1126242), (342, 938535), (351, 914470), (390, 823023), (494, 649755), (513, 625690), (570, 563121), (585, 548682), (702, 457235), (741, 433170), (855, 375414), (1026, 312845), (1170, 274341), (1235, 259902), (1482, 216585), (1710, 187707), (1755, 182894), (2223, 144390), (2470, 129951), (2565, 125138), (3510, 91447), (3705, 86634), (4446, 72195), (4813, 66690), (5130, 62569), (6669, 48130), (7410, 43317), (9626, 33345), (11115, 28878), (13338, 24065), (14439, 22230)]