335978240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 883547616

約数和(自身を除く): 547569376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 208, 244, 256, 260, 305, 320, 331, 416, 488, 520, 610, 640, 662, 793, 832, 976, 1040, 1220, 1280, 1324, 1586, 1655, 1664, 1952, 2080, 2440, 2648, 3172, 3310, 3328, 3904, 3965, 4160, 4303, 4880, 5296, 6344, 6620, 7808, 7930, 8320, 8606, 9760, 10592, 12688, 13240, 15616, 15860, 16640, 17212, 19520, 20191, 21184, 21515, 25376, 26480, 31720, 34424, 39040, 40382, 42368, 43030, 50752, 52960, 63440, 68848, 78080, 80764, 84736, 86060, 100955, 101504, 105920, 126880, 137696, 161528, 172120, 201910, 203008, 211840, 253760, 262483, 275392, 323056, 344240, 403820, 423680, 507520, 524966, 550784, 646112, 688480, 807640, 1015040, 1049932, 1101568, 1292224, 1312415, 1376960, 1615280, 2099864, 2584448, 2624830, 2753920, 3230560, 4199728, 5168896, 5249660, 5507840, 6461120, 8399456, 10499320, 12922240, 16798912, 20998640, 25844480, 33597824, 41997280, 67195648, 83994560, 167989120, 335978240]

約数ペア:

[(1, 335978240), (2, 167989120), (4, 83994560), (5, 67195648), (8, 41997280), (10, 33597824), (13, 25844480), (16, 20998640), (20, 16798912), (26, 12922240), (32, 10499320), (40, 8399456), (52, 6461120), (61, 5507840), (64, 5249660), (65, 5168896), (80, 4199728), (104, 3230560), (122, 2753920), (128, 2624830), (130, 2584448), (160, 2099864), (208, 1615280), (244, 1376960), (256, 1312415), (260, 1292224), (305, 1101568), (320, 1049932), (331, 1015040), (416, 807640), (488, 688480), (520, 646112), (610, 550784), (640, 524966), (662, 507520), (793, 423680), (832, 403820), (976, 344240), (1040, 323056), (1220, 275392), (1280, 262483), (1324, 253760), (1586, 211840), (1655, 203008), (1664, 201910), (1952, 172120), (2080, 161528), (2440, 137696), (2648, 126880), (3172, 105920), (3310, 101504), (3328, 100955), (3904, 86060), (3965, 84736), (4160, 80764), (4303, 78080), (4880, 68848), (5296, 63440), (6344, 52960), (6620, 50752), (7808, 43030), (7930, 42368), (8320, 40382), (8606, 39040), (9760, 34424), (10592, 31720), (12688, 26480), (13240, 25376), (15616, 21515), (15860, 21184), (16640, 20191), (17212, 19520)]