164778640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 449971200

約数和(自身を除く): 285192560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 269, 304, 310, 380, 403, 494, 496, 520, 538, 589, 620, 760, 806, 988, 1040, 1076, 1178, 1235, 1240, 1345, 1520, 1612, 1976, 2015, 2152, 2356, 2470, 2480, 2690, 2945, 3224, 3497, 3952, 4030, 4304, 4712, 4940, 5111, 5380, 5890, 6448, 6994, 7657, 8060, 8339, 9424, 9880, 10222, 10760, 11780, 13988, 15314, 16120, 16678, 17485, 19760, 20444, 21520, 23560, 25555, 27976, 30628, 32240, 33356, 34970, 38285, 40888, 41695, 47120, 51110, 55952, 61256, 66443, 66712, 69940, 76570, 81776, 83390, 102220, 108407, 122512, 132886, 133424, 139880, 153140, 158441, 166780, 204440, 216814, 265772, 279760, 306280, 316882, 332215, 333560, 408880, 433628, 531544, 542035, 612560, 633764, 664430, 667120, 792205, 867256, 1063088, 1084070, 1267528, 1328860, 1584410, 1734512, 2059733, 2168140, 2535056, 2657720, 3168820, 4119466, 4336280, 5315440, 6337640, 8238932, 8672560, 10298665, 12675280, 16477864, 20597330, 32955728, 41194660, 82389320, 164778640]

約数ペア:

[(1, 164778640), (2, 82389320), (4, 41194660), (5, 32955728), (8, 20597330), (10, 16477864), (13, 12675280), (16, 10298665), (19, 8672560), (20, 8238932), (26, 6337640), (31, 5315440), (38, 4336280), (40, 4119466), (52, 3168820), (62, 2657720), (65, 2535056), (76, 2168140), (80, 2059733), (95, 1734512), (104, 1584410), (124, 1328860), (130, 1267528), (152, 1084070), (155, 1063088), (190, 867256), (208, 792205), (247, 667120), (248, 664430), (260, 633764), (269, 612560), (304, 542035), (310, 531544), (380, 433628), (403, 408880), (494, 333560), (496, 332215), (520, 316882), (538, 306280), (589, 279760), (620, 265772), (760, 216814), (806, 204440), (988, 166780), (1040, 158441), (1076, 153140), (1178, 139880), (1235, 133424), (1240, 132886), (1345, 122512), (1520, 108407), (1612, 102220), (1976, 83390), (2015, 81776), (2152, 76570), (2356, 69940), (2470, 66712), (2480, 66443), (2690, 61256), (2945, 55952), (3224, 51110), (3497, 47120), (3952, 41695), (4030, 40888), (4304, 38285), (4712, 34970), (4940, 33356), (5111, 32240), (5380, 30628), (5890, 27976), (6448, 25555), (6994, 23560), (7657, 21520), (8060, 20444), (8339, 19760), (9424, 17485), (9880, 16678), (10222, 16120), (10760, 15314), (11780, 13988)]